android 学习

热词云，经过查资料后写出

<script>
        
        var chart = echarts.init(document.getElementById('main'));
        var postURL = "/lunwen/ShowServlet";
        var mydata = new Array();
        $.ajaxSettings.async = false;
        $.post(postURL, {}, function(rs) {
            var dataList = JSON.parse(rs);
            for (var i = 0; i < dataList.length; i++) {
                var d = {};
                d['name'] = dataList[i].name;
                d['value'] = dataList[i].value;
                mydata.push(d);
            }
        });
        $.ajaxSettings.async = true;
        var option = {
            tooltip : {},
            series : [ {
                type : 'wordCloud',
                gridSize : 5,
                sizeRange : [ 20, 40 ],
                rotationRange : [ -90, 90 ],
                shape : 'pentagon',
                width : 20000,
                height : 12000,
                drawOutOfBound : false,
                textStyle : {
                    normal : {
                        color : function() {
                            return 'rgb('
                                    + [ Math.round(Math.random() * 160),
                                            Math.round(Math.random() * 160),
                                            Math.round(Math.random() * 160) ]
                                            .join(',') + ')';
                        }
                    },
                    emphasis : {
                        shadowBlur : 10,
                        shadowColor : '#333'
                    }
                },
                data : mydata
            } ]
        };
         chart.setOption(option);
        chart.on('click', function(params) {
            var url = "ClickServlet?name=" + params.name;
            window.location.href = url;
        });           
        </script>