-----------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 })

}