iOS UIWebView 通过 cookie 完成自动登录实例

2025-05-29 0 68

1、相关介绍

iOS在UIWebView中获取的cookie的方法:NSHTTPCookieStorage * nCookies = [NSHTTPCookieStorage sharedHTTPCookieStorage];

再具体获取某个域的cookie:NSArray* cookiesURL = [nCookies cookiesForURL:[NSURL URLWithString:@"你的URL"]];

通过[[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookie:userCookie]方法将 cookies来保存起来,但是这样虽然可以保存cookies但是你应用退出之后还是会丢失(其实是cookies过期的问题),做好的方法是把cookies放到NSUserDefaults保存起来.

2、实现

1.在UIWebView的代理方法中实现获取cookies并将cookies放到NSUserDefaults保存起来:- (void)webViewDidFinishLoad:(UIWebView*)webView中写入

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- (void)webViewDidFinishLoad:(UIWebView*)webView{

NSArray *nCookies = [[NSHTTPCookieStoragesharedHTTPCookieStorage] cookies];

for (NSHTTPCookie *cookie in nCookies){

if ([cookie isKindOfClass:[NSHTTPCookie class]]){

if ([cookie.name isEqualToString:@"PHPSESSID"]) {

NSNumber *sessionOnly =[NSNumber numberWithBool:cookie.sessionOnly];

NSNumber *isSecure = [NSNumber numberWithBool:cookie.isSecure];

NSArray *cookies = [NSArray arrayWithObjects:cookie.name, cookie.value, sessionOnly, cookie.domain, cookie.path, isSecure, nil];

[[NSUserDefaults standardUserDefaults] setObject:cookies forKey:@"cookies"];

break;

}

}

}

}

2.获取cookies:运行之后,UIWebView加载url之前获取保存好的cookies,并设置cookies,

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NSArray *cookies =[[NSUserDefaults standardUserDefaults] objectForKey:@"cookies"];

if (cookies.count >0) {

NSMutableDictionary *cookieProperties = [NSMutableDictionarydictionary];

[cookieProperties setObject:[cookies objectAtIndex:0] forKey:NSHTTPCookieName];

[cookieProperties setObject:[cookies objectAtIndex:1] forKey:NSHTTPCookieValue];

[cookieProperties setObject:[cookies objectAtIndex:3] forKey:NSHTTPCookieDomain];

[cookieProperties setObject:[cookies objectAtIndex:4] forKey:NSHTTPCookiePath];

NSHTTPCookie *cookieuser = [NSHTTPCookiecookieWithProperties:cookieProperties];

[[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookie:cookieuser];

}

注意:要在[self.webView loadRequest:req];之前设置获取cookies!

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持快网idc。

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