webView请求：Post&Form
NSString *url = @"";
NSMutableURLRequest *request = [[NSMutableURLRequest alloc]initWithURL:[NSURL URLWithString:url]];
//[request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"]; //json请求
[request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
[request setHTTPMethod: @"POST"];
/* 1.json请求
NSDictionary *recprotocallistDic = @{@"recprotocallist":self.recprotocallist};
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:recprotocallistDic options:NSJSONWritingPrettyPrinted error:nil];
[request setHTTPBody:jsonData];*/
//2.form请求,这里的self. recprotocallistStr是string，根据后端要求来选择
NSString *str = [NSString stringWithFormat:@"recprotocallist=%@",self.recprotocallistStr];
NSData *jsonData = [str dataUsingEncoding:NSUTF8StringEncoding];
[request setHTTPBody:jsonData];
//请求
UIWebView *webView = [[UIWebView alloc]init];
[webView loadRequest:request];
Form2
/*
NSDictionary *postUrlData = recprotocallistDic;
NSMutableString *htmlString = [NSMutableString string];
[htmlString appendString: [NSString stringWithFormat:@"<html><body onload=\"document.forms[0].submit()\">""<form method=\"post\" action=\"%@\">", url]];
[postUrlData enumerateKeysAndObjectsUsingBlock:^(NSString * _Nonnull key, NSString * _Nonnull obj, BOOL * _Nonnull stop) {
[htmlString appendString: [NSString stringWithFormat:@"<textarea style=\"display:none\" name=\"%@\">%@ </textarea>\n", key, obj]];
}];
[htmlString appendString: @"</form></body></html>"];
ESignatureVC *webVC = [[ESignatureVC alloc]init];
[webVC.wkWebView loadHTMLString:htmlString baseURL:nil];
[self push:webVC animation:YES andNotHiddenTabbar:true];*/
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