test/bar-label-rotation.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: 100%;
                height: 100%;
                margin: 0;
            }
            #main {
                width: 100%;
                background: #fff;
            }
        </style>
        <div id="main"></div>
        <script>

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

                var chart = echarts.init(document.getElementById('main'), null, {

                });

                var labelOption = {
                    normal: {
                        show: true,
                        position: 'insideBottom',
                        rotate: 90,
                        textStyle: {
                            align: 'left',
                            verticalAlign: 'middle'
                        }
                    }
                };

                option = {
                    color: ['#003366', '#006699', '#4cabce', '#e5323e'],
                    tooltip: {
                        trigger: 'axis',
                        axisPointer: {            // 坐标轴指示器，坐标轴触发有效
                            type: 'shadow'        // 默认为直线，可选为：'line' | 'shadow'
                        }
                    },
                    legend: {
                        data:['A', 'B', 'C', 'D']
                    },
                    toolbox: {
                        show: true,
                        orient: 'vertical',
                        left: 'right',
                        top: 'center',
                        feature: {
                            mark: {show: true},
                            dataView: {show: true, readOnly: false},
                            magicType: {show: true, type: ['line', 'bar', 'stack', 'tiled']},
                            restore: {show: true},
                            saveAsImage: {show: true}
                        }
                    },
                    calculable: true,
                    xAxis: [
                        {
                            type: 'category',
                            axisTick: {show: false},
                            data: ['2012', '2013', '2014', '2015', '2016']
                        }
                    ],
                    yAxis: [
                        {
                            type: 'value'
                        }
                    ],
                    series: [
                        {
                            name: 'A',
                            type: 'bar',
                            barGap: 0,
                            label: labelOption,
                            data: [320, 332, 301, 334, 390]
                        },
                        {
                            name: 'B',
                            type: 'bar',
                            label: labelOption,
                            data: [220, 182, 191, 234, 290]
                        },
                        {
                            name: 'C',
                            type: 'bar',
                            label: labelOption,
                            data: [150, 232, 201, 154, 190]
                        },
                        {
                            name: 'D',
                            type: 'bar',
                            label: labelOption,
                            data: [98, 77, 101, 99, 30]
                        }
                    ]
                }

                chart.setOption(option);
            });

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