test/graphicRemove.html

<!DOCTYPE html>
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<html>
    <head>
        <meta charset="utf-8">
        <script src="lib/simpleRequire.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
        <script src="lib/testHelper.js"></script>
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <link rel="stylesheet" href="lib/reset.css">
    </head>
    <body>
        <style>
            h1 {
                line-height: 60px;
                height: 60px;
                background: #146402;
                text-align: center;
                font-weight: bold;
                color: #eee;
                font-size: 14px;
            }
            #main {
                width: 100%;
                height: 600px;
            }
        </style>

        宽度大于600时显示方块，当前宽度：<span id='wid'></span>
        <div id="main"></div>



        <script>

            var echarts;
            var chart;
            var myChart;
            var groupCategories = [];
            var groupColors = [];

            require([
                'echarts'
            ], function (ec) {
                echarts = ec;

                var option = {
                    graphic: {
                        id: 'text1',
                        type: 'rect',
                        shape: {
                            x: 0,
                            y: 0,
                            width: 100,
                            height: 100,
                        },
                        style: {
                            fill: 'red'
                        }
                    }
                };

                var myChart = echarts.init(document.getElementById('main'));
                myChart.setOption(option);

                setTimeout(function () {
                    // 删除上例中定义的 'text1' 元素。
                    myChart.setOption({
                        graphic: {
                            id: 'text1',
                            $action: 'remove'
                        }
                    });
                    // 已经删除，此步应无效。
                    // myChart.setOption({
                    //     graphic: {
                    //         id: 'text1',
                    //         $action: 'remove'
                    //     }
                    // });
                    // 删除后再添加。
                    myChart.setOption({
                        graphic: {
                            id: 'text1',
                            type: 'rect',
                            shape: {
                                x:0,
                                y:0,
                                width: 100,
                                height: 100,
                            },
                            style: {
                                fill: 'red',
                            }
                        }
                    });
                }, 1000);


                document.getElementById('wid').innerText = window.innerWidth;

                var hasRect;

                window.onresize = function() {
                    document.getElementById('wid').innerText = window.innerWidth;
                    // var option = myChart.getOption();
                    var option = {};

                    if (window.innerWidth < 600) {
                        if (hasRect) {
                            option.graphic = { // 删除上例中定义的 'text1' 元素。
                                id: 'text1',
                                $action: 'remove'
                            }
                            hasRect = false;
                        }
                    }
                    else {
                        option.graphic = {
                            id: 'text1',
                            type: 'rect',
                            shape: {
                                x:0,
                                y:0,
                                width: 100,
                                height: 100,
                            },
                            style: {
                                fill: 'red',
                            }
                        };
                        hasRect = true;
                    }

                    myChart.setOption(option);
                }

                // window.onresize();

            });

        </script>
    </body>
</html>