ajax 请求接口 返回值 在前台循环

console.log($(this).children('input').val());
console.log($(this).children('#ha').val());
var id = $(this).children('input').val();
$.ajax({
    type:"GET",
    url:"/api/index/index",
    dataType:"json",
    data:{
      id:id,
    },
    success:function(data){
        var arr = data.data;
        for(var i=0;i<arr.length;i++){
            console.log(arr[i]);
            console.log(arr[i]['content']);
            // var hu = arr[i]['content'];
            $("#qing .liang").append(" <li>\n" +
                "                        <a href=\"/show-13-671.html\">\n" +
                "                            <div class=\"img\">\n" +
                "                                <img src=\"__STATIC__/index/images/p1.jpg\" alt=\"\" srcset=\"\">\n" +
                "                            </div>\n" +
                "                            <div class=\"cont\">\n" +
                "\n" +
                "                                <h3>"+arr[i]['title']+"</h3>\n" +
                "                                <span>  </span>\n" +
                "                                <p></p>\n" +
                "                            </div>\n" +
                "                        </a>\n" +
                "                    </li>");


            // arr[i] = arr[i]/2.0;
        }
    }});