test/toolbox-textStyle.html

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<html>

<head>
    <meta charset="utf-8">
    <script src="lib/simpleRequire.js"></script>
    <script src="lib/config.js"></script>
    <meta name="viewport" content="width=device-width, initial-scale=1" />
</head>

<body>
    <style>
        html,
        body,
        #main {
            width: 80%;
            height: 100%;
            margin: 0;
        }

        #main {
            background: #fff;
        }
    </style>
    <div id="main"></div>
    <script>

        require(['echarts'], function (echarts) {

            var chart = echarts.init(document.getElementById('main'), null, {
                // renderer: 'svg'
            });
            option = {
                toolbox: {
                    show: true,
                    feature: {
                        saveAsImage: {
                            show: true,
                            title: 'Save as Image',
                            emphasis: {
                                iconStyle: {
                                    textFill: 'red'
                                }
                            }
                        },
                        restore: {
                            show: true,
                            title: 'Restore'
                        }
                    },
                    left: '50%',
                    top: 40,
                    emphasis: {
                        iconStyle: {
                            textBackgroundColor: '#222',
                            textFill: '#ddd',
                            textBorderRadius: 3,
                            textPadding: [5, 8],
                            textPosition: 'top'
                        }
                    }
                },
                grid: [{
                    left: 32,
                    right: 32,
                    top: 80,
                    bottom: 15,
                    containLabel: true
                }],
                tooltip: {
                    trigger: 'axis',
                    axisPointer: {
                        type: 'shadow'
                    }
                },
                xAxis: [{
                    type: 'category',
                    axisLine: {
                        show: false
                    },
                    axisTick: {
                        show: false
                    },
                    axisLabel: {
                        interval: 0,
                        margin: 10,
                        rotate: 30,
                        color: '#666'
                    },
                    data: ['福田区', '罗湖区', '龙岗区']
                }],
                yAxis: [{
                    type: 'value',
                    axisLine: {
                        show: false
                    },
                    axisTick: {
                        show: false
                    },
                    splitLine: {
                        show: true
                    }
                }],
                series: [{
                    type: 'bar',
                    barWidth: 16,
                    data: [210, 130, 66],
                    itemStyle: {
                        normal: {
                            color: '#ccc'
                        }
                    },
                    label: {
                        show: true,
                        position: 'top',
                        fontWeight: 'bold',
                        color: '#000'
                    }
                }]
            }
            chart.setOption(option, true);

            window.onresize = chart.resize;
        });
    </script>
</body>

</html>