echarts之詞雲隨機顏色的配置

時間 2019-11-08

標籤 echarts 之詞隨機顏色配置简体版

原文原文鏈接

echarts中的詞雲字體產生隨機顏色，最主演的是要引入worldcloud.js，另外還要有jquery.js文件與echarts.js文件的引入，經過配置便可實現詞雲隨機顏色的產生。下面爲你們介紹兩種隨機顏色的方法。javascript

world.htmlhtml

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<div id = "worldDiv" style="width:80%;height:350px;margin:80px auto;background-color: #ccc;border:2px solid #ccc"></div>
<script type="text/javascript" src="jquery-3.2.0.min.js"></script>
<script type="text/javascript" src="echarts.js"></script>
<script type="text/javascript" src="worldcloud.js"></script>
<script type="text/javascript" src="worldData.js"></script>

</body>
</html>

worldData.jsjava

var dataCloud = {
    "cloudData":
        [
            {"name":"澎湃","value":"25"},
            {"name":" 暴曬","value":" 14"},
            {"name":" 套件","value":"13"},
            {"name":" 有","value":" 24"},
            {"name":" 駕駛","value":" 30"},
            {"name":" 滿滿","value":" 1"},
            {"name":" 行駛","value":" 2"},
            {"name":" 強烈","value":"3"},
            {"name":" 輕盈","value":"8"},
            {"name":" 沉穩","value":"5"},
            {"name":" 1800千米","value":" 1"},
            {"name":" 低","value":" 2"},
            {"name":" 雙","value":" 18"},
            {"name":" 先後","value":" 18"},
            {"name":" 跑車","value":" 1"},
            {"name":" 互聯","value":" 22"},
            {"name":" 哪","value":" 23"},
            {"name":" 說","value":" 31"},
            {"name":" 全面","value":" 15"},
            {"name":" 搞定","value":" 12"}
        ],
    "cloudDiv":"worldDiv"
};

var createRandomItemStyle1 = function (params) {　　　　//此方法與下方配置中的第一個textStle下的color等同
    var colors = ['#fda67e', '#81cacc', '#cca8ba', "#88cc81", "#82a0c5", '#fddb7e', '#735ba1', '#bda29a', '#6e7074', '#546570', '#c4ccd3'];
    return colors[parseInt(Math.random() * 10)];
}

var createRandomItemStyle2 = function () {
    var colorArr = ['#fda67e', '#81cacc', '#cca8ba', "#88cc81", "#82a0c5", '#fddb7e', '#735ba1', '#bda29a', '#6e7074', '#546570', '#c4ccd3'];
    var flag = parseInt(Math.random() * 10);
    return {
        normal: {
            fontFamily: '微軟雅黑',
            color:colorArr[flag]
        }
    };
}
function _setWordCloud (cloudData) {
    var option = {
        series: [
            {
                type: 'wordCloud',
                shape: 'ellipse',
                gridSize: 8,
                textStyle: {
                    normal: {
                        fontFamily: '微軟雅黑',
                        color: function () {
                            var colors = ['#fda67e', '#81cacc', '#cca8ba', "#88cc81", "#82a0c5", '#fddb7e', '#735ba1', '#bda29a', '#6e7074', '#546570', '#c4ccd3'];
                            return colors[parseInt(Math.random() * 10)];
                        }
                    }
                },

                /*註釋一：*/
                // textStyle:createRandomItemStyle2(),


                /*註釋二：*/
                /*textStyle: {
                normal: {
                        fontFamily: '微軟雅黑',
                        color: createRandomItemStyle1()
                    }
                },*/
                data: cloudData
            }
        ]
    };
    return option;
};

//詞雲圖初始化
function initWordCloud(wordCloudData) {
    var option = _setWordCloud(wordCloudData.cloudData);
    var myChart = echarts.init(document.getElementById(wordCloudData.cloudDiv));
    myChart.setOption(option);
}

initWordCloud(dataCloud);