Echarts未定义

请问大家这是怎么回事啊？怎么解决

我echarts.js也引了！！！

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title></title>
    </head>
    <body>
    <div id="main" style="height:600px"></div>
    
    <script src="http://echarts.baidu.com/build/dist/echarts.js"></script>
    <script>
    require.config({
        paths:{
            echarts:'http://echarts.baidu.com/build/dist'
        }
    });
    require(
        [
            'echarts',
            'echarts/chart/bar'
        ],
        function (ec){
            var mychart=ec.init(document.getElementById("main"));
            var option = {
                tooltip: {
                    show: true
                },
                legend: {
                    data:['销量']
                },
                xAxis : [
                    {
                        type : 'category',
                        data : ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
                    }
                ],
                yAxis : [
                    {
                        type : 'value'
                    }
                ],
                series : [
                    {
                        "name":"销量",
                        "type":"bar",
                        "data":[5, 20, 40, 10, 10, 20]
                    }
                ]
            };
            mychart.setOption(option);
        
        
        }
    )
    </script>
    </body>
</html>

echarts-all.js 引用这个

试试把echart放到文档尾部

题主创建mychart的时候还是ec.init() 等mychart2的时候怎么就变成echarts了。。。在function(ec){}中统一用ec

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