Echart添加点击事件

xczkchart.on('click', function (params) {
    console.log('你点击的是: ' + params.dataIndex);
    switch (params.dataIndex){
        case 0:
            window.open("http://www.baidu.com");
        case 1:
            window.open("http://www.sina.com");
        case 3:
            window.open("http://www.baidu.com");
        case 4:
            window.open("http://www.sina.com");
        case 5:
            window.open("http://www.baidu.com");
        case 6:
            window.open("http://www.sina.com");
        case 7:
            window.open("http://www.baidu.com");
        case 8:
            window.open("http://www.sina.com");
    }
});

详见API