echarts-convert.js demo 点击下载

1、本地安装phantom.js插件

点击下载

2、更改文件路径

（D:\phantomjs-2.1.1-windows\bin）改为本地项目文件路径
在这里插入图片描述

3、打开cmd命令行，并格式化语言

运行以下命令将命令行语言改为中文简体

chcp 65001

在这里插入图片描述

4、使用

运行以下命令

phantomjs D:\phantomjs-2.1.1-windows\bin\echarts-convert.js -infile D:\phantomjs-2.1.1-windows\bin\option-zd.js -width 800 -height 300 -option 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拖入cmd直接回车运行

。。。

最有有打印compele 表示完成啦！这里只能做测试具体使用需要后端接收base64数据接收方式就是

console.log(base64);

这里正是用的时候不能删哦！

五、效果展示

由于接下来需要后端代码介入才能正式生成本地文件所以这里就先不做介绍，只看最终使用生成的效果图

在这里插入图片描述

说明：

本次使用base64加密，js解密，为了避免命令不支持某些符号导致执行失败
命令文件放置bat运行文件中，否则命令行一次粘贴不全
以下是本次使用的配置，仅供参考

配置文件

echarts-convert.js


(function () {
    var system = require('system');
    var fs = require('fs');
    var config = {
        // define the location of js files
        JQUERY: 'jquery-3.6.0.min.js',
        ECHARTS: 'echarts.min.js',
        // default container width and height
        DEFAULT_WIDTH: '600',
        DEFAULT_HEIGHT: '700',
        DEFAULT_OPTION: {}
    }, parseParams, render, pick, usage;

    // 提示：命令格式
    usage = function () {
        console.log("\n" + "Usage: phantomjs echarts-convert.js -infile URL -width width -height height" + "\n");
    };

    // 选择是否存在设置长宽，否使用默认长宽
    pick = function () {
        var args = arguments, i, arg, length = args.length;
        //console.log("length : "+length);
        for (i = 0; i < length; i += 1) {
            arg = args[i];
            if (arg !== undefined && arg !== null && arg !== 'null' && arg != '0') {
                return arg;
            }
        }
    };

    // 处理参数
    parseParams = function () {
        var map = {}, i, key;
        if (system.args.length < 2) {
            usage();
            phantom.exit();
        }
        for (i = 0; i < system.args.length; i += 1) {
            if (system.args[i].charAt(0) === '-') {
                key = system.args[i].substr(1, i.length);
                if (key === 'infile') {
                    // get string from file
                    // force translate the key from infile to options.
                    key = 'options';
                    try {
                        map[key] = fs.read(system.args[i + 1]).replace(/^\s+/, '');
                    } catch (e) {
                        console.log('Error: cannot find file, ' + system.args[i + 1]);
                        phantom.exit();
                    }
                } else {
                    map[key] = system.args[i + 1].replace(/^\s+/, '');
                }
            }
        }
        return map;
    };

    render = function (params) {
        var page = require('webpage').create(), createChart;

        page.onConsoleMessage = function (msg) {
            console.log(msg);
        };

        page.onAlert = function (msg) {
            console.log(msg);
        };
        createChart = function (inputOption, width, height, option) {
            var counter = 0;
            function decrementImgCounter() {
                counter -= 1;
                if (counter < 1) {
                    console.log("The images load error");
                }
            }
            function loadScript(varStr, codeStr) {
                var script = $('<script>').attr('type', 'text/javascript');
                script.html('var ' + varStr + ' = ' + codeStr);
                document.getElementsByTagName("head")[0].appendChild(script[0]);
                if (window[varStr] !== undefined) {
                    console.log('Echarts.' + varStr + ' has been parsed');
                }
            }
            function loadImages() {
                var images = $('image'), i, img;
                if (images.length > 0) {
                    counter = images.length;
                    for (i = 0; i < images.length; i += 1) {
                        img = new Image();
                        img.onload = img.onerror = decrementImgCounter;
                        img.src = images[i].getAttribute('href');
                    }
                } else {
                    console.log('The images have been loaded');
                }
            }
            // load opitons
            if (inputOption != 'undefined') {
                // parse the options
                loadScript('options', inputOption);
                // disable the animation
                options.animation = false;
            }

            // we render the image, so we need set background to white.
            $(document.body).css('backgroundColor', 'white');
            var container = $("<div>").appendTo(document.body);
            container.attr('id', 'container');
            container.css({
                width: width,
                height: height
            });
            // render the chart
            var myChart = echarts.init(container[0]);
            // 假设这是解密后的字符串数组  decodeURI
            const initArr = JSON.parse(decodeURIComponent(escape(atob(option))));
            // 图例
            if(initArr.imageType ===1 && initArr.legend){
                options.legend.data =initArr.legend.data;
            }
            // 单位
            if(initArr.unit){
                options.yAxis.name =initArr.unit;
            }
            // x轴
            if(initArr.xAxis){
                options.xAxis = initArr.xAxis;
            }
            const markLine =
                {
                    symbol:"none",
                    type: 'line',
                    markLine:{
                        precision:5,
                        label:{
                            position:'end',
                            show: false,
                        },
                        data:[
                            {
                                yAxis: 0,
                                lineStyle :{
                                    type:"dotted",
                                    color:'#f56c6c'
                                },
                            },
                            {
                                yAxis: 0,
                                lineStyle :{
                                    type:"dotted",
                                    color:'#e6a23c'
                                },
                            }
                        ]
                    }
                };
            // 报警线 预警线
            if( initArr.imageType === 2){
                markLine.markLine.data[0].yAxis = initArr.alarm;
                markLine.markLine.data[1].yAxis = initArr.earlyAlarm;
                initArr.series.push(markLine)
            }
            // 数据
            options.series = initArr.series

            myChart.setOption(options);
            // load images
            loadImages();
            return myChart.getDataURL();
        };

        // parse the params
        page.open("about:blank", function (status) {
            // inject the dependency js
            page.injectJs(config.JQUERY);
            page.injectJs(config.ECHARTS);


            var width = pick(params.width, config.DEFAULT_WIDTH);
            var height = pick(params.height, config.DEFAULT_HEIGHT);
            var option = pick(params.option, config.DEFAULT_OPTION);

            // create the chart
            var base64 = page.evaluate(createChart, params.options, width, height,option);
            console.log(base64);
            // define the clip-rectangle
            console.log('\nbase64 complete');
            // exit
            phantom.exit();
        });
    };

// get the args
    var params = parseParams();

// validate the params
    if (params.options === undefined || params.options.length === 0) {
        console.log("ERROR: No options or infile found.");
        usage();
        phantom.exit();
    }

// render the image
    render(params);
}());

option.js

option = {
    color: ['#18CD71', '#A2FFD0', '#FFFE95', '#FF9000', '#EE7CFF', '#0FD5F9', '#0487ED', '#0666E8'],
    legend: {
        data: [],
        orient: 'horizontal',
        align: 'right',
        icon: 'rect',
        itemWidth: 10,
        itemHeight: 2, 
        show: true,
        // right: '2%',
        top: 2,
        tooltip: {
            show: true
        }
    },
    grid: {
        left: '2%',
        right: '2%',
        bottom: '10%',
        top: '15%',
        containLabel: true
    },
    splitLine: {
        show: false
    },
    axisLine: {
        show: true,
    },
    xAxis: {
        type: 'time',
        nameTextStyle: {
            padding: [0, 0, 0, -2],
            color: '#c1cadf',
            align: 'left',
            fontSize: 12,
            fontWeight: 400,
            lineHeight: 10
        },
        axisLabel: {
            show: true,
            margin: 10,
            interval: 0,
            rotate: 38,
            textStyle: {
                fontSize: 10
            }, 
        }
    },
    yAxis: {
        type: 'value',
        name: '℃',
        nameTextStyle: {
            padding: [0, -10, 0, 0],
            color: '#c1cadf',
            align: 'right',
            fontSize: 12,
            lineHeight: 12
        },
        splitLine: {
            show: true,
            lineStyle: {
                color: '#CBCCCE'
            }
        },
        axisLine: {
            show: true,
        },
        axisLabel: {
            show: true,
            margin: 10,
            interval: 0,
            textStyle: {
                fontSize: 10
            },
        }
    },
    series: [],
    tooltip: {
        trigger: 'axis'
    },
};