{
  "title": {
    "show": true,
    "text": "某站点用户访问来源",
    "left": "left",
    "padding": [5,20,5,10],
    "textStyle": {
      "fontSize": 18,
      "fontWeight": "bolder",
      "color": "#c23531"
    }
  },
  "tooltip": {
    "show":true,
    "formatter": "{a} <br/>{b} : {c}",
    "textStyle":{
      "color":"#fff",
      "fontSize": 18
    }
  },
  "legend": {
    "show": true,
    "data": ["视频广告","联盟广告","邮件营销","直接访问","搜索引擎","间接访问"],
    "top": "top",
    "left": "center",
    "orient": "horizontal",
    "padding":[25,20,25,10],
    "textStyle": {
      "color":  "#333",
      "fontSize": 12
    }
  },
  "series": [
    {
      "name": "访问来源",
      "type": "pie",
      "isRadius":false,
      "radius": "55%",
      "minAngle":  0,
      "roseType": "radius",
      "isRose":true,
      "autoSort": false,
      "notCount": false,
      "center": [320, 180],
      "label": {
        "show": true,
        "position": "outside",
        "textStyle": {
          "fontSize": 16,
          "fontWeight": "bolder"
        }
      },
      "data":[
        {"value":1170, "name":"视频广告","itemStyle":{"color":null }},
        {"value":417, "name":"联盟广告","itemStyle":{"color":null }},
        {"value":335, "name":"邮件营销","itemStyle":{"color":null }},
        {"value":410, "name":"直接访问","itemStyle":{"color":null } },
        {"value":800, "name":"搜索引擎","itemStyle":{"color":null }}
      ]
    }
  ]
}