大佬教程收集整理的这篇文章主要介绍了sbjson框架使用 jsonDemo1 json操作 请求，下载，转码，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
首先需要导入SBJson框架 在导入头文件 在进行操作@H_607_1@
#import "SBJson.h"
@H_607_1@ @implementation ViewController @H_607_1@ @H_607_1@ - (void)viewDidLoad @H_607_1@ { @H_607_1@ [super viewDidLoad]; @H_607_1@ @H_607_1@ //XML JSON 描述性语言 @H_607_1@ @H_607_1@ //甄嬛传 大清后宫。。。 99$ @H_607_1@ //{"book":"甄嬛传","jianjie":"大清后宫","price":"99$"} @H_607_1@ //["甄嬛传","超人","蜘蛛侠"] @H_607_1@ /* @H_607_1@ [{"book":"甄嬛传","price":"99$"},{"book":"超人","jianjie":"美国后宫","price":"9$"}] @H_607_1@ */ @H_607_1@ @H_607_1@ NSString* str = @"{\"book\":\"甄嬛传\",\"jianjie\":\"大清后宫\"}"; @H_607_1@ //通过JSONValue方法解析json字符串得到字典或数组对象 @H_607_1@ NSDictionary* Dic = [str JSONValue]; @H_607_1@ NSLog(@"%@",[Dic objectForKey:@"book"]); @H_607_1@ @H_607_1@ str = @"[\"甄嬛传\",\"超人\",\"蜘蛛侠\"]"; @H_607_1@ NSArray* array = [str JSONValue]; @H_607_1@ for (NSString* bookStr in array) { @H_607_1@ NSLog(@"%@",bookStr); @H_607_1@ } @H_607_1@ @H_607_1@ /* @H_607_1@ http://www.baidu.com/abc/bbc/1.jpg @H_607_1@ http:// 请求类型 http:// ftp:// @H_607_1@ www.baidu.com 请求地址 ip @H_607_1@ /abc/bbc/1.jpg 路径 @H_607_1@ */ @H_607_1@ @H_607_1@ //请求地址 @H_607_1@ NSString* urlStr = @"http://192.168.88.8/sns/my/user_list.php"; @H_607_1@ NSURL* url = [NSURL URLWithString:urlStr]; @H_607_1@ @H_607_1@ str = [NSString StringWithContentsOfURL:url encoding:NSUTF8StringEncoding error:nil]; @H_607_1@ @H_607_1@ Dic = [str JSONValue]; @H_607_1@ array = [Dic objectForKey:@"users"]; @H_607_1@ NSDictionary* userDic = [array objectATindex:0]; @H_607_1@ NSString* imageUrl = [userDic objectForKey:@"headimage"]; @H_607_1@ imageUrl = [NSString StringWithFormat:@"http://192.168.88.8/sns%@",imageUrl]; @H_607_1@ NSLog(@"%@",imageUrl); @H_607_1@ @H_607_1@ @H_607_1@ //下载数据 @H_607_1@ NSData* data = [NSData dataWithContentsOfURL:[NSURL URLWithString:imageUrl]]; @H_607_1@ //NSData->UIImage @H_607_1@ UIImage* image = [UIImage imageWithData:data]; @H_607_1@ //UIImage->UIColor @H_607_1@ self.view.BACkgroundColor = [UIColor colorWithPatternImage:image]; @H_607_1@ @H_607_1@ //NSData->NSString @H_607_1@ //NSString* str = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]; @H_607_1@ @H_607_1@ str = @"http://book.douban.com/subject_search?search_text=甄嬛传&cat=1001"; @H_607_1@ url = [NSURL URLWithString:str]; @H_607_1@ str = [NSString StringWithContentsOfURL:url encoding:NSUTF8StringEncoding error:nil]; @H_607_1@ NSLog(@"%@",str); @H_607_1@ @H_607_1@ //中文转码 @H_607_1@ str = @"甄嬛传"; @H_607_1@ str = [str StringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; @H_607_1@ NSLog(@"%@",str); @H_607_1@ @H_607_1@ UIButton* button = [UIButton buttonWithType:UIButtonTypeRoundedRect]; @H_607_1@ button.frame = CGRectMake(100,100,40); @H_607_1@ [button addTarget:self action:@SELEctor(buttonClick) forControlEvents:UIControlEventTouchUpInside]; @H_607_1@ [self.view addSubview:button]; @H_607_1@ } @H_607_1@ @H_607_1@ - (void)buttonClick{ @H_607_1@ NSString* str = @"http://pic.desk.chinaz.com/file/201207/7/kamchongerczwp1.jpg"; @H_607_1@ NSURL* url = [NSURL URLWithString:str]; @H_607_1@ NSData* data = [NSData dataWithContentsOfURL:url]; @H_607_1@ UIImage* image = [UIImage imageWithData:data]; @H_607_1@ self.view.BACkgroundColor = [UIColor colorWithPatternImage:image]; @H_607_1@ } @H_607_1@ @H_607_1@@end
@H_607_1@
后面还有json解析数组操作
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