				title : '用户邮箱'
				},
				{
				    field : 'userBalance',
				    title : '用户余额'
				},
		        {
		            title: '操作',
		            align: 'center',
		            printIgnore: true,
		            formatter: function(value, row, index) {
		            	var actions = [];
                        actions.push('<a class="btn btn-danger btn-xs" href="javascript:;" onclick="remove(this)"><i class="fa fa-remove"></i>删除</a>');
						return actions.join('');
		     