Only an easy http request class for freshman in objective-c.
HttpHelper.h
#import <Foundation/Foundation.h> @interface HttpHelper : NSObject + (NSString *)getHtml: (NSString *)url; + (NSString *)getHtml: (NSString *)url Encoding:(NSStringEncoding)encoding; + (NSString *)getHtmlbyPost: (NSString *)url withPostData:(NSString *)postStr; @end
HttpHelper.m
#import "HttpHelper.h" @implementation HttpHelper //获取页面源码,编码UTF8 + (NSString *)getHtml: (NSString *)url { NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init]; [request setURL:[NSURL URLWithString:url]]; [request setCachePolicy:NSURLRequestUseProtocolCachePolicy]; [request setTimeoutInterval:5.0]; [request setHTTPMethod:@"GET"]; [request setValue:@"application/x-www-form-urlencoded"forHTTPHeaderField:@"Content-Type"]; NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; return [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding]; } //获取页面源码 + (NSString *)getHtml: (NSString *)url Encoding:(NSStringEncoding)encoding { NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init]; [request setURL:[NSURL URLWithString:url]]; [request setCachePolicy:NSURLRequestUseProtocolCachePolicy]; [request setTimeoutInterval:5.0]; [request setHTTPMethod:@"GET"]; [request setValue:@"application/x-www-form-urlencoded"forHTTPHeaderField:@"Content-Type"]; NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; return [[NSString alloc] initWithData:returnData encoding:encoding]; } //post数据 + (NSString *)getHtmlbyPost: (NSString *)url withPostData:(NSString *)postStr { NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init]; NSData *postData = [postStr dataUsingEncoding:NSUTF8StringEncoding]; [request setURL:[NSURL URLWithString:url]]; [request setCachePolicy:NSURLRequestUseProtocolCachePolicy]; [request setTimeoutInterval:5.0]; [request setHTTPMethod:@"POST"]; [request setHTTPBody:postData]; [request setValue:@"application/x-www-form-urlencoded"forHTTPHeaderField:@"Content-Type"]; NSString* len = [NSString stringWithFormat:@"%ld", [postData length]]; [request setValue:len forHTTPHeaderField:@"Content-Length"]; NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; return [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding]; } @end