$filter('filter') 模糊查询
-----------html------------
//根据list1数据的contractnum字段查询
<li ng-repeat="user in list1 | filter:{contractnum:keyWord}"></li>
//根据list1数据的contractnum字段和name字段查询
<li ng-repeat="user in list1 | filter:{contractnum:keyWord1}:{name:keyWord2}"></li>
------------js------------
$scope.search = function(keyWord) {
$scope.newList = $filter('filter')(list1, {contractnum: keyWord })
}