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PHPEchartsAjaxJson柱形图示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请
<?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 ('1', '新闻联播', '71');
INSERT INTO `charts` VALUES ('2', '朝闻天下', '64');
INSERT INTO `charts` VALUES ('3', '焦点访谈', '43');
INSERT INTO `charts` VALUES ('4', '天天饮食', '40');
INSERT INTO `charts` VALUES ('5', '晚间新闻', '90');
INSERT INTO `charts` VALUES ('6', '正大综艺', '80');
INSERT INTO `charts` VALUES ('7', '法治在线', '73');
INSERT INTO `charts` VALUES ('8', '今日说法', '79');
INSERT INTO `charts` VALUES ('9', '央视2套', '18');
INSERT INTO `charts` VALUES ('10', '谈商论道', '96');
INSERT INTO `charts` VALUES ('11', '早间精编', '12');
INSERT INTO `charts` VALUES ('12', '嫁狗', '55');
INSERT INTO `charts` VALUES ('13', '风去云不回', '58');
INSERT INTO `charts` VALUES ('14', '羞羞的小狗', '70');
INSERT INTO `charts` VALUES ('15', '我们变他们了', '13');
INSERT INTO `charts` VALUES ('16', '功守道', '87');
INSERT INTO `charts` VALUES ('17', '虎父无犬子', '20');
INSERT INTO `charts` VALUES ('18', '因为爱情', '73');
INSERT INTO `charts` VALUES ('19', '狗咬吕洞宾', '18');
INSERT INTO `charts` VALUES ('20', '兔子爱萝卜', '96');
INSERT INTO `charts` VALUES ('21', '最后一张车票', '53');
INSERT INTO `charts` VALUES ('22', '万水千山总是情', '81');
INSERT INTO `charts` VALUES ('23', '一带一路', '17');
INSERT INTO `charts` VALUES ('24', '阿里巴巴', '92');
INSERT INTO `charts` VALUES ('25', '罚单', '51');
INSERT INTO `charts` VALUES ('26', '水城烙锅', '30');
INSERT INTO `charts` VALUES ('27', '内蒙', '35');
INSERT INTO `charts` VALUES ('28', '共享生活', '11');
INSERT INTO `charts` VALUES ('29', '中国欢迎你', '82');
INSERT INTO `charts` VALUES ('30', '集帮', '32');
INSERT INTO `charts` VALUES ('31', '一念七宝', '12');
INSERT INTO `charts` VALUES ('32', '都选C', '58');

yAxis xAxis交换后,更改画布大小


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