$.formatString(‘<button type="button" onClick="clickEdit(\‘{0}\‘)" class="btn btn-success">修改</button>‘,val.id)   

    $.formatString = function(str) {
        for ( var i = 0; i < arguments.length - 1; i++) {
            str = str.replace("{" + i + "}", arguments[i + 1]);
        }
        return str;
    };

.psd{
    margin-top: -20px; //高低
    text-align: center;
    word-break: break-all;  //行
    font-size:16px;

    right: -25px" //左右移动
    float:left;  //div同一行
    margin: 0 3px;  //左右间距
    margin: 10px 0;  //上下间距

}