Question

echarts饼图怎么调用数据库数据

Answer 1

后台从数据库中的得到的json
JSONArray jsonarray=JSONArray.fromObject(rs.getList());//=JSONArray.
request.setAttribute("data", jsonarray);
打印出来的数据
{value:335, name:'直接访问'},
{value:310, name:'邮件营销'},
{value:234, name:'联盟广告'},
{value:135, name:'视频广告'},
{value:1548, name:'搜索引擎'}
pie.jsp
<div id="main" style="height:400px"></div>
<script type="text/javascript">
// 路径配置
require.config({
paths:{
'echarts' : 'js/echarts',
}
});