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49 lines
2.0 KiB
Markdown
49 lines
2.0 KiB
Markdown
##UIWebView中使用cookie实现免登陆
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*最近帮忙朋友上架一个纯h5的app，就是用原生做了一层壳。
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可是发现，每次重新开启app的时候之前登录的信息就不存在了，所以就想到了要需要用刀UIWebView的cookie来获取用户数据实现免登陆。*
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###下面贴代码
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* 首先获取cookie并且保存其中`cookie.name`用来判断是否是你需要保存的cookie
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`- (void)webViewDidFinishLoad:(UIWebView *)webView`
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```objectivec
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NSArray*nCookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage]cookies];
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NSHTTPCookie*cookie;
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for(id cookies in nCookies)
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{
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if([cookies isKindOfClass:[NSHTTPCookie class]])
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{
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cookie=(NSHTTPCookie*)cookies;
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if([cookie.name isEqualToString:@"touch_id"]) {
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NSNumber*sessionOnly = [NSNumber numberWithBool:cookie.sessionOnly];
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NSNumber*isSecure = [NSNumber numberWithBool:cookie.isSecure];
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NSArray*cookies = [NSArray arrayWithObjects:cookie.name, cookie.value, sessionOnly, cookie.domain, cookie.path, isSecure,nil];
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[[NSUserDefaults standardUserDefaults]setObject:cookies forKey:@"cookies"];
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break;
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}
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}
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}
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```
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* 在调用 UIWebView `loadRequest` 之前先设置好cookie
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```objectivec
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NSArray*cookies =[[NSUserDefaults standardUserDefaults] objectForKey:@"cookies"];
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if(cookies){
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NSMutableDictionary*cookieProperties = [NSMutableDictionary dictionary];
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[cookieProperties setObject:[cookies objectAtIndex:0]forKey:NSHTTPCookieName];
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[cookieProperties setObject:[cookies objectAtIndex:1]forKey:NSHTTPCookieValue];
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[cookieProperties setObject:[cookies objectAtIndex:3]forKey:NSHTTPCookieDomain];
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[cookieProperties setObject:[cookies objectAtIndex:4]forKey:NSHTTPCookiePath];
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NSHTTPCookie*cookieuser = [NSHTTPCookie cookieWithProperties:cookieProperties];
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[[NSHTTPCookieStorage sharedHTTPCookieStorage]setCookie:cookieuser];
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}
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```
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