           , type: 'desc' //排序方式  asc: 升序、desc: 降序、null: 默认排序
            },
            limits: [10, 15, 20, 25, 50, 100],
            limit: 15,
            page: true,
            even: true
        });

        // 监听搜索操作
        form.on('submit(data-search-btn)', function (data) {
            var result = JSON.stringify(data.field);
            var search_len = 0
            Object.keys(data.field).forEach(function (key) {
                search_len = search_len +