PHP Echarts Ajax Json柱形图示例

<?php

    $server = '127.0.0.1';

    $user = 'root';

    $password = '';

    $database = 'yiibaidb';

    $conn = new mysqli($server,$user,$password,$database);

    if($conn->connect_errno){

        die("数据库连接失败".$conn->connect_error);

        exit;

    }

    $sql ='SELECT mc,ps FROM charts';

    $result = $conn->query($sql);

    if($result->num_rows > 0){

        $arr = array();

        while ($row = $result->fetch_assoc()) {

            $arr[] = $row;

        }

        echo json_encode($arr);

    }

    $conn->close();

?>

<!DOCTYPE html>

<html lang="zh">

<head>

    <meta charset="UTF-8" />

    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

    <meta http-equiv="X-UA-Compatible" content="ie=edge" />

    <script src="js/echarts.min.js"></script>

    <script src="js/jquery-3.3.1.js"></script>

    <title>Document</title>

</head>

<body>

    <div id='container' style="width: 600px; height: 400px;"></div>

    <script>

        var jiemu = [], piaoshu = [];

        //获取json数据放入数组

        function getPS() {

            $.ajax({

                type: "post",

                async: false,

                url: "json.php",

                dataType: "json",

                success: function (data) {

                    if (data) {

                        for (var index = 0; index < data.length; index++) {

                            jiemu.push(data[index].mc);

                            piaoshu.push(data[index].ps);

                        }

                    }

                },

                error: function (errmsg) {

                    alert(errmsg);

                }

            })

            return jiemu, piaoshu;

        }

        //执行获取票数函数

        getPS();

        //绘制柱形图

        var myChart = echarts.init(document.getElementById("container"));

        var option1 = {

            title: {

                text: 'ECharts 入门案例',

                subtext: '子标题',

                x: 'center'

            },

            tooltip: {

                show: true

            },

            legend: {

                data: ['票数排行']

            },

            xAxis: {

                data: jiemu

            },

            yAxis: {},

            series: [{

                name: '票数',

                type: 'bar',

                data: piaoshu

            }]

        };

        myChart.setOption(option1);

    </script>

</body>

</html>

INSERT INTO `charts` VALUES ('', '新闻联播', '');
INSERT INTO `charts` VALUES ('', '朝闻天下', '');
INSERT INTO `charts` VALUES ('', '焦点访谈', '');
INSERT INTO `charts` VALUES ('', '天天饮食', '');
INSERT INTO `charts` VALUES ('', '晚间新闻', '');
INSERT INTO `charts` VALUES ('', '正大综艺', '');
INSERT INTO `charts` VALUES ('', '法治在线', '');
INSERT INTO `charts` VALUES ('', '今日说法', '');
INSERT INTO `charts` VALUES ('', '央视2套', '');
INSERT INTO `charts` VALUES ('', '谈商论道', '');
INSERT INTO `charts` VALUES ('', '早间精编', '');
INSERT INTO `charts` VALUES ('', '嫁狗', '');
INSERT INTO `charts` VALUES ('', '风去云不回', '');
INSERT INTO `charts` VALUES ('', '羞羞的小狗', '');
INSERT INTO `charts` VALUES ('', '我们变他们了', '');
INSERT INTO `charts` VALUES ('', '功守道', '');
INSERT INTO `charts` VALUES ('', '虎父无犬子', '');
INSERT INTO `charts` VALUES ('', '因为爱情', '');
INSERT INTO `charts` VALUES ('', '狗咬吕洞宾', '');
INSERT INTO `charts` VALUES ('', '兔子爱萝卜', '');
INSERT INTO `charts` VALUES ('', '最后一张车票', '');
INSERT INTO `charts` VALUES ('', '万水千山总是情', '');
INSERT INTO `charts` VALUES ('', '一带一路', '');
INSERT INTO `charts` VALUES ('', '阿里巴巴', '');
INSERT INTO `charts` VALUES ('', '罚单', '');
INSERT INTO `charts` VALUES ('', '水城烙锅', '');
INSERT INTO `charts` VALUES ('', '内蒙', '');
INSERT INTO `charts` VALUES ('', '共享生活', '');
INSERT INTO `charts` VALUES ('', '中国欢迎你', '');
INSERT INTO `charts` VALUES ('', '集帮', '');
INSERT INTO `charts` VALUES ('', '一念七宝', '');
INSERT INTO `charts` VALUES ('', '都选C', '');

PHP Echarts Ajax Json柱形图示例-LMLPHP

yAxis xAxis交换后,更改画布大小

PHP Echarts Ajax Json柱形图示例-LMLPHP