Parse the plist file (the dictionary contains the array, and the dictionary is also included)

1 #import "RootTableViewController.h"2 #import "City.h"3 4 @interfaceRoottableviewcontroller ()5 6 //Declare a large dictionary that holds all cities7@property (nonatomic, strong) Nsmutabledictionary *alldatadict;8 9 //store all the key arrays (storage provinces)Ten@property (nonatomic, strong) Nsmutablearray *Allkeysarray; One  A @end -  - @implementationRoottableviewcontroller the  -  - //Lazy Loading: Use to create again, can save memory --(Nsmutabledictionary *) alldatadict { +      -     if(_alldatadict = =Nil) { +_alldatadict =[Nsmutabledictionary dictionary]; A     } at     return_alldatadict; - } -  --(Nsmutablearray *) Allkeysarray { -      -     if(!_allkeysarray) { in_allkeysarray =[Nsmutablearray array]; -     } to     return_allkeysarray; + } -  the  *  $- (void) Viewdidload {Panax Notoginseng [Super Viewdidload]; -      the     //Read plist file + [self readplist]; A } the  +  -  $ //Read plist file $- (void) readplist { -      -     //1. Get the path to the file ([NSBundle Mainbundle] Get the repository) theNSString *filepath = [[NSBundle mainbundle] Pathforresource:@" City"OfType:@"plist"]; -     Wuyi      the     //2. Get data based on path -Nsdictionary *datadict =[Nsdictionary Dictionarywithcontentsoffile:filepath]; Wu      -     //NSLog (@ "%@", datadict); About      $      -     //3. Traversing a dictionary -      for(NSString *keyinchdatadict) { -         //NSLog (@ "%@", Datadict[key]); A          +         //creates a temporary array to hold the model object theNsmutablearray *cityarray =[Nsmutablearray array]; -          $          the         //traversing a city array the          for(Nsdictionary *dictinchDatadict[key]) { the              the             //3.1 Creating a data Model -City *city =[[City alloc] init]; in              the             //3.2 Assigning values using KVC the [City setvaluesforkeyswithdictionary:dict]; About              the             //3.3 Add to array the [Cityarray addobject:city]; the              +         } -          the         Bayi         //Save a group of cities to a large dictionary the [Self.alldatadict Setobject:cityarray Forkey:key]; the          -         //Save the key in the array - [Self.allkeysarray Addobject:key]; the          the     } the } the  -  the  the #pragmaMark-table View Data source the 94 //set Number of partitions the-(Nsinteger) Numberofsectionsintableview: (UITableView *) TableView { the      the     returnSelf.allKeysArray.count;98 } About  - 101 //set the number of rows per partition102-(Nsinteger) TableView: (UITableView *) TableView numberofrowsinsection: (nsinteger) Section {103     104     //Find the City key (province) theNSString *key =Self.allkeysarray[section];106     107     //find an array of cities108Nsarray *cityarray =[Self.alldatadict Objectforkey:key];109      the     returnCityarray.count;111 } the 113  the //Return to Cell the-(UITableViewCell *) TableView: (UITableView *) TableView Cellforrowatindexpath: (Nsindexpath *) Indexpath { the     117     StaticNSString *identifier =@"Cell";118     119UITableViewCell *cell =[TableView Dequeuereusablecellwithidentifier:identifier]; -     121     if(!cell) {122Cell =[[UITableViewCell alloc] Initwithstyle:uitableviewcellstylesubtitle reuseidentifier:identifier];123     }124      the     126     //Get key127NSString *key =Self.allkeysarray[indexpath.section]; -     129     //get the city array based on key theNsarray *cityarray =[Self.alldatadict Objectforkey:key];131      the     //gets the model in the city array to assign the value133City *city =Cityarray[indexpath.row];134Cell.textLabel.text =City.name;135Cell.detailTextLabel.text =City.personnum;136 137     138     returncell;139 } $ 141 @end

Parse the plist file (the dictionary contains the array, and the dictionary is also included)