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@@ -0,0 +1,796 @@
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+<template>
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+ <view class="sign">
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+ <view class="wrapper">
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+ <view class="handBtn">
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+ <!-- <image @click="selectColorEvent('black','#1A1A1A')" :src="selectColor === 'black' ? '../static/other/color_black_selected.png' : '../static/other/color_black.png'"
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+ :class="[selectColor === 'black' ? 'color_select' : '', 'black-select']"></image>
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+ <image @click="selectColorEvent('red','#ca262a')" :src="selectColor === 'red' ? '../static/other/color_red_selected.png' : '../static/other/color_red.png'"
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+ :class="[selectColor === 'red' ? 'color_select' : '', 'black-select']"></image> -->
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+ <!-- <button @click="retDraw" class="delBtn">重写</button>
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+ <button @click="saveCanvasAsImg" class="saveBtn">保存</button>
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+ <button @click="previewCanvasImg" class="previewBtn">预览</button>
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+ <button @click="uploadCanvasImg" class="uploadBtn">上传</button>
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+ <button @click="subCanvas" class="subBtn">完成</button> -->
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+ <view class="signtit">请在上方空白处书写您的签名</view>
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+ <view class="sinbtns bgb" @click="retDraw">清除重写</view>
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+ <view class="sinbtns bga" @click="saveCanvasAsImg">提交签名</view>
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+ </view>
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+ <view class="handCenter">
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+ <canvas class="handWriting" :disable-scroll="true" @touchstart="uploadScaleStart" @touchmove="uploadScaleMove"
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+ @touchend="uploadScaleEnd" canvas-id="handWriting"></canvas>
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+ </view>
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+ <!-- <view class="handRight">
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+ <view class="handTitle">请签名</view>
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+ </view> -->
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+ </view>
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+ <!-- 旋转图片canvas -->
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+ <canvas canvas-id="hcamCacnvs" style="position:absolute;top:-2000%;" class="canvsborder"></canvas>
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+ </view>
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+</template>
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+
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+<script>
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+ export default {
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+ data() {
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+ return {
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+ canvasName: 'handWriting',
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+ ctx: '',
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+ canvasWidth: 0,
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+ canvasHeight: 0,
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+ transparent: 1, // 透明度
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+ selectColor: 'black',
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+ lineColor: '#1A1A1A', // 颜色
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+ lineSize: 1.5, // 笔记倍数
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+ lineMin: 0.5, // 最小笔画半径
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+ lineMax: 4, // 最大笔画半径
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+ pressure: 1, // 默认压力
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+ smoothness: 60, //顺滑度,用60的距离来计算速度
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+ currentPoint: {},
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+ currentLine: [], // 当前线条
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+ firstTouch: true, // 第一次触发
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+ radius: 1, //画圆的半径
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+ cutArea: {
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+ top: 0,
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+ right: 0,
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+ bottom: 0,
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+ left: 0
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+ }, //裁剪区域
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+ bethelPoint: [], //保存所有线条 生成的贝塞尔点;
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+ lastPoint: 0,
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+ chirography: [], //笔迹
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+ currentChirography: {}, //当前笔迹
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+ linePrack: [] //划线轨迹 , 生成线条的实际点
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+ };
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+ },
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+ onLoad() {
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+ let canvasName = this.canvasName;
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+ let ctx = wx.createCanvasContext(canvasName);
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+
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+ this.ctx = ctx;
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+ var query = wx.createSelectorQuery();
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+ query
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+ .select('.handCenter')
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+ .boundingClientRect(rect => {
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+ this.canvasWidth = rect.width;
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+ this.canvasHeight = rect.height;
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+
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+ /* 将canvas背景设置为 白底,不设置 导出的canvas的背景为透明 */
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+ this.setCanvasBg('#fff');
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+ })
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+ .exec();
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+ },
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+ methods: {
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+ // 笔迹开始
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+ uploadScaleStart(e) {
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+ if (e.type != 'touchstart') return false;
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+ let ctx = this.ctx;
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+ ctx.setFillStyle(this.lineColor); // 初始线条设置颜色
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+ ctx.setGlobalAlpha(this.transparent); // 设置半透明
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+ let currentPoint = {
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+ x: e.touches[0].x,
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+ y: e.touches[0].y
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+ };
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+ let currentLine = this.currentLine;
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+ currentLine.unshift({
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+ time: new Date().getTime(),
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+ dis: 0,
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+ x: currentPoint.x,
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+ y: currentPoint.y
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+ });
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+ this.currentPoint = currentPoint;
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+ // currentLine
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+ if (this.firstTouch) {
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+ this.cutArea = {
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+ top: currentPoint.y,
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+ right: currentPoint.x,
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+ bottom: currentPoint.y,
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+ left: currentPoint.x
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+ };
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+ this.firstTouch = false;
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+ }
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+ this.pointToLine(currentLine);
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+ },
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+ // 笔迹移动
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+ uploadScaleMove(e) {
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+ if (e.type != 'touchmove') return false;
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+ if (e.cancelable) {
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+ // 判断默认行为是否已经被禁用
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+ if (!e.defaultPrevented) {
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+ e.preventDefault();
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+ }
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+ }
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+ let point = {
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+ x: e.touches[0].x,
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+ y: e.touches[0].y
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+ };
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+
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+ //测试裁剪
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+ if (point.y < this.cutArea.top) {
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+ this.cutArea.top = point.y;
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+ }
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+ if (point.y < 0) this.cutArea.top = 0;
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+
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+ if (point.x > this.cutArea.right) {
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+ this.cutArea.right = point.x;
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+ }
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+ if (this.canvasWidth - point.x <= 0) {
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+ this.cutArea.right = this.canvasWidth;
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+ }
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+ if (point.y > this.cutArea.bottom) {
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+ this.cutArea.bottom = point.y;
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+ }
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+ if (this.canvasHeight - point.y <= 0) {
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+ this.cutArea.bottom = this.canvasHeight;
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+ }
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+ if (point.x < this.cutArea.left) {
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+ this.cutArea.left = point.x;
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+ }
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+ if (point.x < 0) this.cutArea.left = 0;
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+
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+ this.lastPoint = this.currentPoint;
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+ this.currentPoint = point;
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+
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+ let currentLine = this.currentLine;
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+ currentLine.unshift({
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+ time: new Date().getTime(),
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+ dis: this.distance(this.currentPoint, this.lastPoint),
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+ x: point.x,
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+ y: point.y
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+ });
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+
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+ this.pointToLine(currentLine);
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+ },
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+ // 笔迹结束
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+ uploadScaleEnd(e) {
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+ if (e.type != 'touchend') return 0;
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+ let point = {
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+ x: e.changedTouches[0].x,
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+ y: e.changedTouches[0].y
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+ };
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+ this.lastPoint = this.currentPoint;
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+ this.currentPoint = point;
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+
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+ let currentLine = this.currentLine;
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+ currentLine.unshift({
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+ time: new Date().getTime(),
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+ dis: this.distance(this.currentPoint, this.lastPoint),
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+ x: point.x,
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+ y: point.y
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+ });
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+
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+ if (currentLine.length > 2) {
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+ var info = (currentLine[0].time - currentLine[currentLine.length - 1].time) / currentLine.length;
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+ //$("#info").text(info.toFixed(2));
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+ }
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+ //一笔结束,保存笔迹的坐标点,清空,当前笔迹
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+ //增加判断是否在手写区域;
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+ this.pointToLine(currentLine);
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+ var currentChirography = {
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+ lineSize: this.lineSize,
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+ lineColor: this.lineColor
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+ };
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+ var chirography = this.chirography;
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+ chirography.unshift(currentChirography);
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+ this.chirography = chirography;
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+
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+ var linePrack = this.linePrack;
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+ linePrack.unshift(this.currentLine);
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+ this.linePrack = linePrack;
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+ this.currentLine = [];
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+ },
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+ retDraw() {
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+ this.ctx.clearRect(0, 0, 700, 730);
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+ this.ctx.draw();
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+
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+ //设置canvas背景
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+ this.setCanvasBg('#fff');
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+ },
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+ //画两点之间的线条;参数为:line,会绘制最近的开始的两个点;
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+ pointToLine(line) {
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+ this.calcBethelLine(line);
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+ return;
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+ },
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+ //计算插值的方式;
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+ calcBethelLine(line) {
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+ if (line.length <= 1) {
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+ line[0].r = this.radius;
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+ return;
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+ }
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+ let x0,
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+ x1,
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+ x2,
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+ y0,
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+ y1,
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+ y2,
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+ r0,
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+ r1,
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+ r2,
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+ len,
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+ lastRadius,
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+ dis = 0,
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+ time = 0,
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+ curveValue = 0.5;
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+ if (line.length <= 2) {
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+ x0 = line[1].x;
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+ y0 = line[1].y;
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+ x2 = line[1].x + (line[0].x - line[1].x) * curveValue;
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+ y2 = line[1].y + (line[0].y - line[1].y) * curveValue;
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+ //x2 = line[1].x;
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+ //y2 = line[1].y;
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+ x1 = x0 + (x2 - x0) * curveValue;
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+ y1 = y0 + (y2 - y0) * curveValue;
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+ } else {
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+ x0 = line[2].x + (line[1].x - line[2].x) * curveValue;
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+ y0 = line[2].y + (line[1].y - line[2].y) * curveValue;
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+ x1 = line[1].x;
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+ y1 = line[1].y;
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+ x2 = x1 + (line[0].x - x1) * curveValue;
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+ y2 = y1 + (line[0].y - y1) * curveValue;
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+ }
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+ //从计算公式看,三个点分别是(x0,y0),(x1,y1),(x2,y2) ;(x1,y1)这个是控制点,控制点不会落在曲线上;实际上,这个点还会手写获取的实际点,却落在曲线上
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+ len = this.distance({
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+ x: x2,
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+ y: y2
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+ }, {
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+ x: x0,
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+ y: y0
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+ });
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+ lastRadius = this.radius;
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+ for (let n = 0; n < line.length - 1; n++) {
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+ dis += line[n].dis;
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+ time += line[n].time - line[n + 1].time;
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+ if (dis > this.smoothness) break;
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+ }
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+
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+ this.radius = Math.min((time / len) * this.pressure + this.lineMin, this.lineMax) * this.lineSize;
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+ line[0].r = this.radius;
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+ //计算笔迹半径;
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+ if (line.length <= 2) {
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+ r0 = (lastRadius + this.radius) / 2;
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+ r1 = r0;
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+ r2 = r1;
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+ //return;
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+ } else {
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+ r0 = (line[2].r + line[1].r) / 2;
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+ r1 = line[1].r;
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+ r2 = (line[1].r + line[0].r) / 2;
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+ }
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+ let n = 5;
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+ let point = [];
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+ for (let i = 0; i < n; i++) {
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+ let t = i / (n - 1);
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+ let x = (1 - t) * (1 - t) * x0 + 2 * t * (1 - t) * x1 + t * t * x2;
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+ let y = (1 - t) * (1 - t) * y0 + 2 * t * (1 - t) * y1 + t * t * y2;
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+ let r = lastRadius + ((this.radius - lastRadius) / n) * i;
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+ point.push({
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+ x: x,
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+ y: y,
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+ r: r
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+ });
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+ if (point.length == 3) {
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+ let a = this.ctaCalc(point[0].x, point[0].y, point[0].r, point[1].x, point[1].y, point[1].r, point[2].x, point[2]
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+ .y, point[2].r);
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+ a[0].color = this.lineColor;
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+ // let bethelPoint = this.bethelPoint;
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+ // bethelPoint = bethelPoint.push(a);
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+ this.bethelDraw(a, 1);
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+ point = [{
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+ x: x,
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+ y: y,
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+ r: r
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+ }];
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+ }
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+ }
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+ this.currentLine = line;
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+ },
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+ //求两点之间距离
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+ distance(a, b) {
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+ let x = b.x - a.x;
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+ let y = b.y - a.y;
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+ return Math.sqrt(x * x + y * y);
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+ },
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+ ctaCalc(x0, y0, r0, x1, y1, r1, x2, y2, r2) {
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+ let a = [],
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+ vx01,
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+ vy01,
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+ norm,
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+ n_x0,
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+ n_y0,
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+ vx21,
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+ vy21,
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+ n_x2,
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+ n_y2;
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+ vx01 = x1 - x0;
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+ vy01 = y1 - y0;
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+ norm = Math.sqrt(vx01 * vx01 + vy01 * vy01 + 0.0001) * 2;
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+ vx01 = (vx01 / norm) * r0;
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+ vy01 = (vy01 / norm) * r0;
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+ n_x0 = vy01;
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+ n_y0 = -vx01;
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+ vx21 = x1 - x2;
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+ vy21 = y1 - y2;
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+ norm = Math.sqrt(vx21 * vx21 + vy21 * vy21 + 0.0001) * 2;
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+ vx21 = (vx21 / norm) * r2;
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+ vy21 = (vy21 / norm) * r2;
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+ n_x2 = -vy21;
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+ n_y2 = vx21;
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+ a.push({
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+ mx: x0 + n_x0,
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+ my: y0 + n_y0,
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+ color: '#1A1A1A'
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+ });
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+ a.push({
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+ c1x: x1 + n_x0,
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+ c1y: y1 + n_y0,
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+ c2x: x1 + n_x2,
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+ c2y: y1 + n_y2,
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+ ex: x2 + n_x2,
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+ ey: y2 + n_y2
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+ });
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+ a.push({
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+ c1x: x2 + n_x2 - vx21,
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+ c1y: y2 + n_y2 - vy21,
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+ c2x: x2 - n_x2 - vx21,
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+ c2y: y2 - n_y2 - vy21,
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+ ex: x2 - n_x2,
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+ ey: y2 - n_y2
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+ });
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+ a.push({
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+ c1x: x1 - n_x2,
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+ c1y: y1 - n_y2,
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+ c2x: x1 - n_x0,
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+ c2y: y1 - n_y0,
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+ ex: x0 - n_x0,
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+ ey: y0 - n_y0
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+ });
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+ a.push({
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+ c1x: x0 - n_x0 - vx01,
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+ c1y: y0 - n_y0 - vy01,
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+ c2x: x0 + n_x0 - vx01,
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+ c2y: y0 + n_y0 - vy01,
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+ ex: x0 + n_x0,
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+ ey: y0 + n_y0
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+ });
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+ a[0].mx = a[0].mx.toFixed(1);
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+ a[0].mx = parseFloat(a[0].mx);
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+ a[0].my = a[0].my.toFixed(1);
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+ a[0].my = parseFloat(a[0].my);
|
|
|
+ for (let i = 1; i < a.length; i++) {
|
|
|
+ a[i].c1x = a[i].c1x.toFixed(1);
|
|
|
+ a[i].c1x = parseFloat(a[i].c1x);
|
|
|
+ a[i].c1y = a[i].c1y.toFixed(1);
|
|
|
+ a[i].c1y = parseFloat(a[i].c1y);
|
|
|
+ a[i].c2x = a[i].c2x.toFixed(1);
|
|
|
+ a[i].c2x = parseFloat(a[i].c2x);
|
|
|
+ a[i].c2y = a[i].c2y.toFixed(1);
|
|
|
+ a[i].c2y = parseFloat(a[i].c2y);
|
|
|
+ a[i].ex = a[i].ex.toFixed(1);
|
|
|
+ a[i].ex = parseFloat(a[i].ex);
|
|
|
+ a[i].ey = a[i].ey.toFixed(1);
|
|
|
+ a[i].ey = parseFloat(a[i].ey);
|
|
|
+ }
|
|
|
+ return a;
|
|
|
+ },
|
|
|
+ bethelDraw(point, is_fill, color) {
|
|
|
+ let ctx = this.ctx;
|
|
|
+ ctx.beginPath();
|
|
|
+ ctx.moveTo(point[0].mx, point[0].my);
|
|
|
+ if (undefined != color) {
|
|
|
+ ctx.setFillStyle(color);
|
|
|
+ ctx.setStrokeStyle(color);
|
|
|
+ } else {
|
|
|
+ ctx.setFillStyle(point[0].color);
|
|
|
+ ctx.setStrokeStyle(point[0].color);
|
|
|
+ }
|
|
|
+ for (let i = 1; i < point.length; i++) {
|
|
|
+ ctx.bezierCurveTo(point[i].c1x, point[i].c1y, point[i].c2x, point[i].c2y, point[i].ex, point[i].ey);
|
|
|
+ }
|
|
|
+ ctx.stroke();
|
|
|
+ if (undefined != is_fill) {
|
|
|
+ ctx.fill(); //填充图形 ( 后绘制的图形会覆盖前面的图形, 绘制时注意先后顺序 )
|
|
|
+ }
|
|
|
+ ctx.draw(true);
|
|
|
+ },
|
|
|
+ selectColorEvent(str, color) {
|
|
|
+ this.selectColor = str;
|
|
|
+ this.lineColor = color;
|
|
|
+ },
|
|
|
+ //将Canvas内容转成 临时图片 --> cb 为回调函数 形参 tempImgPath 为 生成的图片临时路径
|
|
|
+ canvasToImg(cb) {
|
|
|
+ //这种写法移动端 出不来
|
|
|
+
|
|
|
+ this.ctx.draw(true, () => {
|
|
|
+ wx.canvasToTempFilePath({
|
|
|
+ canvasId: 'handWriting',
|
|
|
+ fileType: 'png',
|
|
|
+ quality: 1, //图片质量
|
|
|
+ success(res) {
|
|
|
+ // console.log(res.tempFilePath, 'canvas生成图片地址');
|
|
|
+
|
|
|
+ wx.showToast({
|
|
|
+ title: '执行了吗?'
|
|
|
+ });
|
|
|
+
|
|
|
+ cb(res.tempFilePath);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ });
|
|
|
+ },
|
|
|
+ //完成
|
|
|
+ subCanvas() {
|
|
|
+ this.ctx.draw(true, () => {
|
|
|
+ wx.canvasToTempFilePath({
|
|
|
+ canvasId: 'handWriting',
|
|
|
+ fileType: 'png',
|
|
|
+ quality: 1, //图片质量
|
|
|
+ success(res) {
|
|
|
+ // console.log(res.tempFilePath, 'canvas生成图片地址');
|
|
|
+ wx.showToast({
|
|
|
+ title: '以保存'
|
|
|
+ });
|
|
|
+ //保存到系统相册
|
|
|
+ wx.saveImageToPhotosAlbum({
|
|
|
+ filePath: res.tempFilePath,
|
|
|
+ success(res) {
|
|
|
+ wx.showToast({
|
|
|
+ title: '已成功保存到相册',
|
|
|
+ duration: 2000
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ });
|
|
|
+ },
|
|
|
+ //保存到相册
|
|
|
+ saveCanvasAsImg() {
|
|
|
+
|
|
|
+ /*
|
|
|
+ this.canvasToImg( tempImgPath=>{
|
|
|
+ // console.log(tempImgPath, '临时路径');
|
|
|
+ wx.saveImageToPhotosAlbum({
|
|
|
+ filePath: tempImgPath,
|
|
|
+ success(res) {
|
|
|
+ wx.showToast({
|
|
|
+ title: '已保存到相册',
|
|
|
+ duration: 2000
|
|
|
+ });
|
|
|
+ }
|
|
|
+ })
|
|
|
+ } );
|
|
|
+ */
|
|
|
+ var that=this;
|
|
|
+ wx.canvasToTempFilePath({
|
|
|
+ canvasId: 'handWriting',
|
|
|
+ fileType: 'png',
|
|
|
+ quality: 1, //图片质量
|
|
|
+ success(res) {
|
|
|
+ // 旋转图片90度在上传
|
|
|
+ //绘制canvas 旋转图片
|
|
|
+ let tempFilePaths = res.tempFilePath;
|
|
|
+ wx.getImageInfo({ // 获取图片的信息
|
|
|
+ src: tempFilePaths,
|
|
|
+ success: (msg) => {
|
|
|
+ // console.log(msg)
|
|
|
+ let height = msg.height / 2 //图片的高
|
|
|
+ let width = msg.width / 2
|
|
|
+ //开始旋转 旋转方向为顺时针 90 180 270
|
|
|
+ if (width < height) { // 竖变横 左为正底 旋转后 为下为正底
|
|
|
+ // this.canvasWidth = height,
|
|
|
+ // this.canvasHeight = width,
|
|
|
+ console.log('这张图片 是竖的 要变成横屏的')
|
|
|
+ //绘制canvas 旋转图片
|
|
|
+ let canvas = wx.createCanvasContext('hcamCacnvs',that);
|
|
|
+
|
|
|
+ // 逆时针旋转90度
|
|
|
+ canvas.translate(height / 2, width / 2)
|
|
|
+ canvas.rotate(270 * Math.PI / 180)
|
|
|
+ canvas.drawImage(tempFilePaths, -width / 2, -height / 2, width, height);
|
|
|
+ canvas.draw(false,()=> {
|
|
|
+ // 把当前画布指定区域的内容导出生成指定大小的图片。在 draw() 回调里调用该方法才能保证图片导出成功。
|
|
|
+ wx.canvasToTempFilePath({
|
|
|
+ canvasId: 'hcamCacnvs',
|
|
|
+ // canvas: canvas,
|
|
|
+ destWidth: 150,
|
|
|
+ destHeight: 50,
|
|
|
+ fileType: 'png',
|
|
|
+ quality: 1, //图片质量
|
|
|
+ success(vas) {
|
|
|
+ // that.uploadImg(vas.tempFilePath);
|
|
|
+ //保存
|
|
|
+ // console.log(that.contractId)
|
|
|
+ uni.saveImageToPhotosAlbum({
|
|
|
+ filePath: vas.tempFilePath,
|
|
|
+ success(res) {
|
|
|
+ wx.showToast({
|
|
|
+ title: '已保存到相册',
|
|
|
+ duration: 2000
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ // uni.uploadFile({
|
|
|
+ // url: uni.getStorageSync(
|
|
|
+ // 'requestPath') +
|
|
|
+ // '/app/contract/getSign', //仅为示例,非真实的接口地址
|
|
|
+ // filePath: vas.tempFilePath,
|
|
|
+ // name: 'file',
|
|
|
+ // formData: {
|
|
|
+ // 'contractId': that
|
|
|
+ // .contractId // 上传附带参数
|
|
|
+ // },
|
|
|
+ // success: (
|
|
|
+ // uploadFileRes) => {
|
|
|
+ // // 根据接口具体返回格式 赋值具体对应url
|
|
|
+ // console.log(
|
|
|
+ // uploadFileRes
|
|
|
+ // )
|
|
|
+ // uni.showToast({
|
|
|
+ // title: '签名成功',
|
|
|
+ // duration: 500
|
|
|
+ // });
|
|
|
+ // setTimeout(() => {
|
|
|
+ // uni.navigateBack({
|
|
|
+ // delta: 1
|
|
|
+ // });
|
|
|
+ // }, 500)
|
|
|
+ // }
|
|
|
+ // });
|
|
|
+ },
|
|
|
+ }) // 在自定义组件下,当前组件实例的this,以操作组件内 canvas 组件
|
|
|
+ // }, 300));
|
|
|
+ // (data) => { // 将之前在绘图上下文中的描述(路径、变形、样式)画到 canvas 中
|
|
|
+ // console.log(data,12)
|
|
|
+
|
|
|
+ })
|
|
|
+ }
|
|
|
+ }
|
|
|
+ })
|
|
|
+ return
|
|
|
+ // console.log(res.tempFilePath, 'canvas生成图片地址');
|
|
|
+ wx.saveImageToPhotosAlbum({
|
|
|
+ filePath: res.tempFilePath,
|
|
|
+ success(res) {
|
|
|
+ wx.showToast({
|
|
|
+ title: '已保存到相册',
|
|
|
+ duration: 2000
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ },
|
|
|
+ //预览
|
|
|
+ previewCanvasImg() {
|
|
|
+ wx.canvasToTempFilePath({
|
|
|
+ canvasId: 'handWriting',
|
|
|
+ fileType: 'jpg',
|
|
|
+ quality: 1, //图片质量
|
|
|
+ success(res) {
|
|
|
+ // console.log(res.tempFilePath, 'canvas生成图片地址');
|
|
|
+
|
|
|
+ wx.previewImage({
|
|
|
+ urls: [res.tempFilePath] //预览图片 数组
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ /* //移动端出不来 ^~^!!
|
|
|
+ this.canvasToImg( tempImgPath=>{
|
|
|
+ wx.previewImage({
|
|
|
+ urls: [tempImgPath], //预览图片 数组
|
|
|
+ })
|
|
|
+ } );
|
|
|
+ */
|
|
|
+ },
|
|
|
+ //上传
|
|
|
+ uploadCanvasImg() {
|
|
|
+
|
|
|
+ wx.canvasToTempFilePath({
|
|
|
+ canvasId: 'handWriting',
|
|
|
+ fileType: 'png',
|
|
|
+ quality: 1, //图片质量
|
|
|
+ success(res) {
|
|
|
+ // console.log(res.tempFilePath, 'canvas生成图片地址');
|
|
|
+
|
|
|
+ //上传
|
|
|
+ wx.uploadFile({
|
|
|
+ url: 'https://example.weixin.qq.com/upload', // 仅为示例,非真实的接口地址
|
|
|
+ filePath: res.tempFilePath,
|
|
|
+ name: 'file_signature',
|
|
|
+ formData: {
|
|
|
+ user: 'test'
|
|
|
+ },
|
|
|
+ success(res) {
|
|
|
+ const data = res.data;
|
|
|
+ // do something
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ },
|
|
|
+ //设置canvas背景色 不设置 导出的canvas的背景为透明
|
|
|
+ //@params:字符串 color
|
|
|
+ setCanvasBg(color) {
|
|
|
+
|
|
|
+ /* 将canvas背景设置为 白底,不设置 导出的canvas的背景为透明 */
|
|
|
+ //rect() 参数说明 矩形路径左上角的横坐标,左上角的纵坐标, 矩形路径的宽度, 矩形路径的高度
|
|
|
+ //这里是 canvasHeight - 4 是因为下边盖住边框了,所以手动减了写
|
|
|
+ this.ctx.rect(0, 0, this.canvasWidth, this.canvasHeight - 4);
|
|
|
+ // ctx.setFillStyle('red')
|
|
|
+ this.ctx.setFillStyle(color);
|
|
|
+ this.ctx.fill(); //设置填充
|
|
|
+ this.ctx.draw(); //开画
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+</script>
|
|
|
+
|
|
|
+<style lang="scss" scoped>
|
|
|
+ page {
|
|
|
+ background: #fbfbfb;
|
|
|
+ height: auto;
|
|
|
+ overflow: hidden;
|
|
|
+ }
|
|
|
+.sign{width: 100%;height: 100vh;padding: 24rpx;}
|
|
|
+.signtit{font-weight: 500;font-size: 30rpx;position: absolute;top: 220rpx;word-break: keep-all;transform: rotate(90deg);
|
|
|
+color: #666666;left: -140rpx;}
|
|
|
+.sinbtns{width: 214rpx;height: 74rpx;display: flex;align-items: center;justify-content: center;font-weight: 500;
|
|
|
+font-size: 30rpx;border-radius: 20rpx;position: absolute;left: -46rpx;transform: rotate(90deg);
|
|
|
+ &.bga{background: #00A9F0;color: #FFFFFF;bottom: 126rpx;}
|
|
|
+ &.bgb{background: #FFDEDE;color: #FF6969;bottom: 380rpx;}
|
|
|
+}
|
|
|
+ .wrapper {
|
|
|
+ border: 2rpx solid #DADADA;;
|
|
|
+ overflow: hidden;
|
|
|
+ display: flex;
|
|
|
+ align-content: center;
|
|
|
+ flex-direction: row;
|
|
|
+ justify-content: center;
|
|
|
+ font-size: 28rpx;
|
|
|
+ width: 100%;height: 100%;
|
|
|
+ }
|
|
|
+
|
|
|
+ .handWriting {
|
|
|
+ background: #fff;
|
|
|
+ width: 100%;
|
|
|
+ height: 100%;
|
|
|
+ }
|
|
|
+
|
|
|
+ .handRight {
|
|
|
+ display: inline-flex;
|
|
|
+ align-items: center;
|
|
|
+ }
|
|
|
+
|
|
|
+ .handCenter {
|
|
|
+ /* border: 4rpx dashed #e9e9e9; */
|
|
|
+ flex: 1;
|
|
|
+ overflow: hidden;
|
|
|
+ box-sizing: border-box;
|
|
|
+ }
|
|
|
+
|
|
|
+ .handTitle {
|
|
|
+ transform: rotate(90deg);
|
|
|
+ flex: 1;
|
|
|
+ color: #666;
|
|
|
+ }
|
|
|
+
|
|
|
+ .handBtn button {
|
|
|
+ font-size: 28rpx;
|
|
|
+ }
|
|
|
+
|
|
|
+ .handBtn {
|
|
|
+ position: relative;
|
|
|
+ height: 100%;
|
|
|
+ width: 60px;
|
|
|
+ display: inline-flex;
|
|
|
+ flex-direction: column;
|
|
|
+ justify-content: space-between;
|
|
|
+ align-content: space-between;
|
|
|
+ flex: 0 0 auto;
|
|
|
+ border-right: 2rpx solid #DADADA;
|
|
|
+ }
|
|
|
+
|
|
|
+ .delBtn {
|
|
|
+ position: absolute;
|
|
|
+ top: 250rpx;
|
|
|
+ left: 0rpx;
|
|
|
+ transform: rotate(90deg);
|
|
|
+ color: #666;
|
|
|
+ }
|
|
|
+
|
|
|
+ .delBtn image {
|
|
|
+ position: absolute;
|
|
|
+ top: 13rpx;
|
|
|
+ left: 25rpx;
|
|
|
+ }
|
|
|
+
|
|
|
+ .subBtn {
|
|
|
+ position: absolute;
|
|
|
+ bottom: 52rpx;
|
|
|
+ left: -3rpx;
|
|
|
+ display: inline-flex;
|
|
|
+ transform: rotate(90deg);
|
|
|
+ background: #008ef6;
|
|
|
+ color: #fff;
|
|
|
+ margin-bottom: 30rpx;
|
|
|
+ text-align: center;
|
|
|
+ justify-content: center;
|
|
|
+ }
|
|
|
+
|
|
|
+ /*Peach - 新增 - 保存*/
|
|
|
+
|
|
|
+ .saveBtn {
|
|
|
+ position: absolute;
|
|
|
+ top: 375rpx;
|
|
|
+ left: 0rpx;
|
|
|
+ transform: rotate(90deg);
|
|
|
+ color: #666;
|
|
|
+ }
|
|
|
+
|
|
|
+ .previewBtn {
|
|
|
+ position: absolute;
|
|
|
+ top: 500rpx;
|
|
|
+ left: 0rpx;
|
|
|
+ transform: rotate(90deg);
|
|
|
+ color: #666;
|
|
|
+ }
|
|
|
+
|
|
|
+ .uploadBtn {
|
|
|
+ position: absolute;
|
|
|
+ top: 625rpx;
|
|
|
+ left: 0rpx;
|
|
|
+ transform: rotate(90deg);
|
|
|
+ color: #666;
|
|
|
+ }
|
|
|
+
|
|
|
+ /*Peach - 新增 - 保存*/
|
|
|
+
|
|
|
+ .black-select {
|
|
|
+ width: 60rpx;
|
|
|
+ height: 60rpx;
|
|
|
+ position: absolute;
|
|
|
+ top: 30rpx;
|
|
|
+ left: 25rpx;
|
|
|
+ }
|
|
|
+
|
|
|
+ .black-select.color_select {
|
|
|
+ width: 90rpx;
|
|
|
+ height: 90rpx;
|
|
|
+ top: 100rpx;
|
|
|
+ left: 10rpx;
|
|
|
+ }
|
|
|
+
|
|
|
+ .red-select {
|
|
|
+ width: 60rpx;
|
|
|
+ height: 60rpx;
|
|
|
+ position: absolute;
|
|
|
+ top: 140rpx;
|
|
|
+ left: 25rpx;
|
|
|
+ }
|
|
|
+
|
|
|
+ .red-select.color_select {
|
|
|
+ width: 90rpx;
|
|
|
+ height: 90rpx;
|
|
|
+ top: 120rpx;
|
|
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+ left: 10rpx;
|
|
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+ }
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|
|
+</style>
|