判斷是否爲空是否有敏感詞，是否有匹配項

//點擊保存按鈕
                $scope.save = function(){
                    var i = $scope.datas.length;+1
                    $scope.tips = false;//控制錯誤信息是否顯示
                    $scope.cw = [];//放錯誤信息的數組
                    if($scope.name == undefined ||$scope.name == null){
                        $scope.cw.push("姓名不能爲空");
                        alert("姓名不能爲空");
                        return;
                    }
                    if(!/^\d+$/.test($scope.age)){
                        $scope.cw.push("年齡格式錯誤");
                        alert("年齡格式錯誤");
                        return;
                    }
                    if($scope.cw.length>0){
                        $scope.tips = true;
                    }else{
                        var data2 = {
                            id:i++,
                            name:$scope.name,
                            age:$scope.age,
                            pinyin:$scope.pinyin,
                            job:$scope.job,
                            system:"刪除"
                        };
                        $scope.datas.push(data2);//把數組放入原始數組中
                        $scope.isShow = false;//讓添加頁不顯示
                    }

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//查詢按鈕
                $scope.sel = function(){
                    if($scope.selName == null){//如果爲空提示
                        alert("不能爲空");
                    }else{
                        if($scope.selName.match("王")){
                            alert("有敏感詞彙");
                        }else{
                            var filter = $filter("filter");
                            var shu = filter($scope.datas,{name:$scope.selName});
                            if(shu.length == 0){
                                alert("未找到內容");
                            }else{
                                $scope.datas = shu;
                            }
                        }
                    }
                }