增，删，改，综合

$scope.del=function(obj){ //删除

$scope.tt.splice(obj,1);

}

$scope.Xuan=function(){ //全选

for(var i=0;i<$scope.tt.length;i++){

$scope.tt[i].st=$scope.xuan;

}

}

$scope.update=function(){ //选中删除

for(var i=0;i<$scope.tt.length;i++){

if($scope.tt[i].st==true){

$scope.tt.splice(i,1);

i--; }

}

}

//左加右减

<td><button ng-click="count($index,-1)">-</button><input type="text" ng-model="t.shuliang" style="width: 30px;"/>

<button ng-click="count($index,+1)">+</button></td>

$scope.count = function(index, n) {

$scope.tt[index].shuliang = $scope.tt[index].shuliang + n;

if($scope.tt[index].shuliang <= 0) {

$scope.tt.splice(index, 1);

}

}

//总和

$scope.sum = function() {

var aa = 0;

for(var i = 0; i < $scope.tt.length; i++) {

aa += $scope.tt[i].jiage *$scope.tt[i].shuliang;

}

return aa;

}

//修改

<buttonng-click="f=true">修改</button>

<td>

{{t.city}}

<inputng-model="t.city"ng-show="f"/>

<inputtype="button"value="保存"ng-show="f"ng-click="f=false"/>

</td>

//修改

<buttonng-click="f=true">修改</button>

<td>

{{t.city}}

<inputng-model="t.city"ng-show="f"/>

<inputtype="button"value="保存"ng-show="f"ng-click="f=false"/>

</td>

//模糊查询 排序

<trng-repeat="t in tt|filter:{yonghu:uname,shouji:uhao,city:cheng,tai:zhuang}|orderBy:px"ng-show="shijian(t.date1)">

<selectng-model="px"style="width: 90px;">

<optionvalue=""selected="selected">排序</option>

<optionvalue="-idd">从大到小</option>

<optionvalue="+idd">从小到大</option>

</select>

//修改<buttonng-click="f=true">修改</button><td> {{t.city}}<inputng-model="t.city"ng-show="f"/><inputtype="button"value="保存"ng-show="f"ng-click="f=false"/></td>