ios中封装网络和tableview的综合运用

#import<UIKit/UIKit.h>
#import"PullTableView.h"

@interfaceJSContentView:UIView<UITableViewDataSource,UITableViewDelegate,PullTableViewDelegate>

-(id)initWithFrame:(CGRect)framerequestSEL:(SEL)aselectoraDelegate:(id)delegate;
@property(nonatomic,assign)intPagecode;
@property(nonatomic,readonly)PullTableView*tableview;
@property(nonatomic,retain)NSMutableArray*mydata;
@end

#import"JSContentView.h"
#import"MyCell.h"

@interfaceJSContentView()
{
SELselector;
iddelegate;
}

@end

@implementationJSContentView

#pragmamark-初始化
-(id)initWithFrame:(CGRect)framerequestSEL:(SEL)aselectoraDelegate:(id)adelegate{
self=[superinitWithFrame:frame];
if(self){
self.mydata=[NSMutableArrayarray];
_tableview=[[PullTableViewalloc]initWithFrame:self.boundsstyle:UITableViewStylePlain];
_tableview.delegate=self;
_tableview.dataSource=self;
_tableview.pullDelegate=self;

//设置pulltableview的背景色
_tableview.pullBackgroundColor=[UIColorclearColor];
_tableview.pullTextColor=[UIColorblackColor];

[selfaddSubview:_tableview];
selector=aselector;
delegate=adelegate;

//第一次加载的时候默认要刷新。
if(!self.tableview.pullTableIsRefreshing){
self.tableview.pullTableIsRefreshing=YES;
if(delegate&&[delegaterespondsToSelector:selector]){
[delegateperformSelector:selector];
}
}
self.tableview.pullTableIsLoadingMore=NO;
}
returnself;
}

-(void)dealloc
{
[_mydatarelease];
[superdealloc];
}

#pragmamark-tableviewdataSource
-(NSInteger)numberOfSectionsInTableView:(UITableView*)tableView{
return1;
}

-(NSInteger)tableView:(UITableView*)tableViewnumberOfRowsInSection:(NSInteger)section{
returnself.mydata.count;
}

-(UITableViewCell*)tableView:(UITableView*)tableViewcellForRowAtIndexPath:(NSIndexPath*)indexPath{
staticNSString*cellIdentify=@"myCell";
MyCell*cell=[tableViewdequeueReusableCellWithIdentifier:cellIdentify];
if(cell==nil){
cell=[[[MyCellalloc]initWithStyle:UITableViewCellStyleDefaultreuseIdentifier:cellIdentify]autorelease];
}
NSDictionary*dic=self.mydata[indexPath.row];
cell.value=dic;
returncell;
}

#pragmamark-tableviewdelegate
-(CGFloat)tableView:(UITableView*)tableViewheightForRowAtIndexPath:(NSIndexPath*)indexPath{
return80;
}

#import<UIKit/UIKit.h>

#import"JSContentView.h"
#import"JSNetWord.h"

@interfaceViewController:UIViewController<NetWorkDelegate>

@end

===========
#import"ViewController.h"
#import"MyCell.h"

@interfaceViewController()
{
JSContentView*newView;
}

@property(nonatomic,retain)NSMutableArray*dataArray;
@end

@implementationViewController

-(void)viewDidLoad
{
[superviewDidLoad];
newView=[[JSContentViewalloc]initWithFrame:self.view.boundsrequestSEL:@selector(RequestData)aDelegate:self];
[self.viewaddSubview:newView];
[newViewrelease];
//如果开始启用缓存
//NSString*cache=[selfreadApiCacheFileName:@"1.txt"];
//if(cache.length>0&&newView.Pagecode<=1){
//[selfNetWorkWithConnectId:100aBackString:cachewithState:0];
//}

}

-(void)RequestData{
NSString*url=[NSStringstringWithFormat:@"http://61.177.61.252/szzssw/taxCommon.action?code=1001&pagecode=%zi&menucode=3300000000",newView.Pagecode==0?1:newView.Pagecode];
//请求数据，重新刷新数据
[[JSNetWordShareNetwork]NetWorkWithConnctId:100body:urlPostBody:nilaDelegate:self];
//先从缓存中读取
NSString*cache=[selfreadApiCacheFileName:@"1.txt"];

if(cache.length>0&&newView.Pagecode==1){
[selfNetWorkWithConnectId:100aBackString:cachewithState:0];
}

}

#pragmamark-networkdelegate
-(void)NetWorkWithConnectId:(int)connectidaBackString:(NSString*)backStringwithState:(int)state{
if(connectid==100){
//1：代表网络0代表缓存
if(newView.Pagecode<=1&&state==1){
newView.tableview.pullTableIsRefreshing=NO;
}
if(newView.Pagecode>1){
newView.tableview.pullTableIsLoadingMore=NO;
}

NSDictionary*dic=[backStringJSONValue];
NSString*dealcode=dic[@"dealcode"];
if(![dealcodeisEqualToString:@"0000"]){
return;
}

if(newView.Pagecode==1){
[selfsaveApiCacheFileName:@"1.txt"textContent:backStringAppend:NO];
}
if(newView.Pagecode==1&&newView.mydata.count>0){
[newView.mydataremoveAllObjects];
}
NSArray*data=dic[@"content"];
[newView.mydataaddObjectsFromArray:data];
[newView.tableviewreloadData];

}
}

-(void)viewDidUnload{
[superviewDidUnload];
self.dataArray=nil;
}

-(void)dealloc
{
[_dataArrayrelease];
[superdealloc];
}

@end

#import<UIKit/UIKit.h>

@interfaceMyCell:UITableViewCell

@property(nonatomic,retain)NSDictionary*value;
@end

#import"MyCell.h"
#defineKTitleFont15
#defineKFont12
#defineKpadding10

@interfaceMyCell(){
UILabel*titleLb;
UILabel*Contetlb;
UILabel*dataLb;
}

@end

@implementationMyCell

-(id)initWithStyle:(UITableViewCellStyle)stylereuseIdentifier:(NSString*)reuseIdentifier
{
self=[superinitWithStyle:stylereuseIdentifier:reuseIdentifier];
if(self){
titleLb=[UILabelLabWithFrame:CGRectZerotext:@""textColor:[UIColorredColor]textAlign:NSTextAlignmentLeftfont:[UIFontsystemFontOfSize:KTitleFont]];
//Contetlb=[UILabelLabWithFrame:CGRectZerotext:@""textColor:[UIColorblackColor]textAlign:NSTextAlignmentRightfont:[UIFontsystemFontOfSize:KFont]];
dataLb=[UILabelLabWithFrame:CGRectZerotext:@""textColor:[UIColorblackColor]textAlign:NSTextAlignmentLeftfont:[UIFontsystemFontOfSize:KFont]];
[self.contentViewaddSubview:titleLb];

[self.contentViewaddSubview:dataLb];
}
returnself;
}
-(void)setValue:(NSDictionary*)value{
if(_value!=value){
[_valuerelease];
_value=[valueretain];
titleLb.text=value[@"title"];
dataLb.text=value[@"time"];
}
}
-(void)layoutSubviews{
[superlayoutSubviews];
CGFloatwidth=self.contentView.bounds.size.width;
CGFloatheight=self.contentView.bounds.size.height*0.5f;
CGFloattitlex=Kpadding;
CGFloattitley=Kpadding;
CGFloattitlew=width-2*Kpadding;
CGFloattitleh=height;
titleLb.frame=CGRectMake(titlex,titley,titlew,titleh);

CGFloatdx=titlex;
CGFloatdy=titley+titleh;
CGFloatdw=titlew;
CGFloatdh=height-Kpadding;
dataLb.frame=CGRectMake(dx,dy,dw,dh);

}

@end