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MD5用的包#import <CommonCrypto/CommonDigest.h>
MD5用的包#import <CommonCrypto/CommonDigest.h>
//将做好的字符串进?行MD5加密/*
%02X",
此处需要在我们已经写好的MD5类中添加?方法
+ (NSString *)md5Digest:(NSString *)str
{ const char *cStr = [str UTF8String]; unsigned char
result[CC_MD5_DIGEST_LENGTH]; CC_MD5( cStr, strlen(cStr), result);
return [[NSString stringWithFormat:
@"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X
result[0], result[1], result[2], result[3], result[4],
result[5],result[6], result[7], result[8], result[9], result[10],
result[11], result[12],result[13], result[14], result[15] ]
uppercaseString]; }
copy过去即可,别忘记再.h?文件中添加?方法声明*/
xxixiaxia‘m下面j就bbubu‘s不是的l了。
//资讯列表接?口测试
//url = http://zixun.www.net.cn/api/hichinaapp.php (参数method=list)
//此接?口为GET提交接?口 参数在排序后,全部以"&"连接/*
基本参数:
ver,client,method(list),module(news),type(类型),pageIndex(?页码),pageSize(新闻数量),timestamp(时间戳),appid(分配的appid),appkey(分配的appkey)
type:@"updated"(最新),@"industry"(?行业),@"application"(应?用),@"value"(价值),@"security"(安全)
appid: @"IOS259" appkey: @"qetzcb259"
timestamp: 其他api接?口的trid参数 去掉token和"_" 剩下那个时间作为时间戳*/
NSDictionary *params = [NSDictionary dictionaryWithObjectsAndKeys:
@"1.0",@"ver", @"ios",@"client", @"list",@"method", @"news",@"module",
@"updated",@"type", @"1",@"pageIndex", @"20",@"pageSize", [self
timestamp],@"timestamp", @"IOS259",@"appid",
@"qetzcb259",@"appkey",nil];
//参数按?首字?母排序
NSArray *array = [[params allKeys]sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)]; NSLog(@"%@",array);
//按照参数排序后的顺序,将其对应的value,进?行字符串拼接NSMutableString *signStr =
[[NSMutableString alloc] init];for (int i = 0; i < [array count];
i++) {
NSString *key = [array objectAtIndex:i]; //从排序好的参数数组中,取得key
NSString *value = [params valueForKey:key]; //从做好的参数字典中,通过key,取得对应的value
[signStr insertString:value atIndex:signStr.length]; //将取出的value,加到字符串?里?面
} NSLog(@"%@",signStr);
//将做好的字符串进?行MD5加密/*
%02X",
此处需要在我们已经写好的MD5类中添加?方法
+ (NSString *)md5Digest:(NSString *)str
{ const char *cStr = [str UTF8String]; unsigned char
result[CC_MD5_DIGEST_LENGTH]; CC_MD5( cStr, strlen(cStr), result);
return [[NSString stringWithFormat:
@"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X
result[0], result[1], result[2], result[3], result[4],
result[5],result[6], result[7], result[8], result[9], result[10],
result[11], result[12],result[13], result[14], result[15] ]
uppercaseString]; }
copy过去即可,别忘记再.h?文件中添加?方法声明*/
NSString *sign = [MD5 md5Digest:signStr];
//将所有的参数和值进?行最后的拼接,使?用"&"连接NSArray *keys = [params allKeys];NSArray *values = [params allValues];
NSMutableString *paramsStr = [[NSMutableString alloc] init]; for
(int i = 0; i < [keys count]; i++) { NSString *key = [keys
objectAtIndex:i]; NSString *value = [values objectAtIndex:i]; [paramsStr
appendString:key]; [paramsStr appendString:@"="]; [paramsStr
appendString:value]; [paramsStr appendString:@"&"]; } [paramsStr
appendFormat:@"sign=%@",sign]; NSLog(@"%@",paramsStr); NSString *urlStr =
[NSString
stringWithFormat:@"http://zixun.www.net.cn/api/hichinaapp.php?%@",paramsStr];
NSURL *url = [NSURL URLWithString:urlStr]; NSURLRequest *request =
[NSURLRequest requestWithURL:url]; [NSURLConnection
connectionWithRequest:request delegate:self];
以下为connection的代理?方法
#pragma mark - 关于资讯的单独??网络请求 ----开始----
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
self.receiveData = [NSMutableData data];}- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
[self.receiveData appendData:data];}- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
NSMutableString *receiveStr = [[NSMutableString alloc]initWithData:self.receiveData encoding:NSUTF8StringEncoding];
//******此处开始 对json字符串进?行修改NSRange ra;
ra = [receiveStr rangeOfString:@"{"];NSRange delRa;
delRa.location = 0;
if (ra.length == 0)
{
delRa.length = 0; }
else
{
delRa.length = ra.location; }
[receiveStr deleteCharactersInRange:delRa];//******修改结束
//转化成可?用的字典
/*由于此处接收到的data,并不是标准的json格式,所以需要对其进?行修改*/
NSDictionary *dic = (NSDictionary
*)[receiveStrmutableObjectFromJSONString]; NSLog(@"%@",dic);}-
(void)connection:(NSURLConnection *)connection
didFailWithError:(NSError*)error
{
NSLog(@"%@",[error debugDescription]);}
#pragma mark - 关于资讯的单独??网络请求 ----结束----
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原文地址：http://www.cnblogs.com/quwujin/p/4825484.html
