// iOS(Swift)func upload(image: UIImage, url: String) { let imageData = UIImageJPEGRepresentation(image, 0.3) // 将图片转换成jpeg格式的NSData，压缩到0.3 let imageStr = imageData?.base64EncodedStringWithOptions(.Encoding64CharacterLineLength) // 将图片转换为base64字符串 let params: NSDictionary = ["file": imageStr!] let manager = AFHTTPRequestOperationManager() // 采用POST的方式上传，因为POST对长度没有限制 manager.POST(url, parameters: params, success: { (_: AFHTTPRequestOperation!, response: AnyObject!) in // 成功 }) { (_: AFHTTPRequestOperation!, _: NSError!) in // 失败 }}<?phpheader('Content-type: text/json; charset=UTF-8');$base64 = $_POST["file"]; // 得到参数$img = base64_decode($base64); // 将格式为base64的字符串解码$path = "md5(uniqid(rand()))".".jpg"; // 产生随机唯一的名字作为文件名file_put_contents($path, $img); // 将图片保存到相应位置?>static func uploadPortrait(image: UIImage, url: String) { let manager = AFHTTPRequestOperationManager() // fromData: AFN封装好的http header类，可以添加请求体 manager.POST(url, parameters: [:], constructingBodyWithBlock: { (fromData: AFMultipartFormData!) in let pngData = UIImagePNGRepresentation(image) // name必须和后台PHP接收的参数名相同($_FILES["file"]) // fileName为图片名 fromData.appendPartWithFileData(pngData, name: "file", fileName: "image.png", mimeType: "image/png") // let jpegData = UIImageJPEGRepresentation(image, 0.3) // fromData.appendPartWithFileData(jpegData, name: "file", fileName: "image.jpg", mimeType: "image/jpeg") }, success: { (operation: AFHTTPRequestOperation!, response: AnyObject!) in // 成功 }) { (operation: AFHTTPRequestOperation!, error: NSError!) in // 失败 } }<?phpheader('Content-type: text/json; charset=UTF-8' );/** * $_FILES 文件上传变量，是一个二维数组，第一维保存上传的文件的数组，第二维保存文件的属性，包括类型、大小等 * 要实现上传文件，必须修改权限为加入可写 chmod -R 777 目标目录 */// 文件类型限制// "file"名字必须和iOS客户端上传的name一致if (($_FILES["file"]["type"] == "image/gif")|| ($_FILES["file"]["type"] == "image/jpeg")|| ($_FILES["file"]["type"] == "image/png")|| ($_FILES["file"]["type"] == "image/pjpeg"))// && ($_FILES["file"]["size"] < 20000)) // 小于20k{ if ($_FILES["file"]["error"] > 0) { echo $_FILES["file"]["error"]; // 错误代码 } else { $fillname = $_FILES['file']['name']; // 得到文件全名 $dotArray = explode('.', $fillname); // 以.分割字符串，得到数组 $type = end($dotArray); // 得到最后一个元素：文件后缀 $path = "../portrait/".md5(uniqid(rand())).'.'.$type; // 产生随机唯一的名字 move_uploaded_file( // 从临时目录复制到目标目录 $_FILES["file"]["tmp_name"], // 存储在服务器的文件的临时副本的名称 $path); echo "成功"; } } else { echo "文件类型不正确";}?>// 使用OC封装#import <UIKit/UIKit.h>@interface RequestPostUploadHelper : NSObject+ (NSMutableURLRequest *)uploadImage:(NSString*)url uploadImage:(UIImage *)uploadImage params:(NSMutableDictionary *)params;@end#import "RequestPostUploadHelper.h"@implementation RequestPostUploadHelper+ (NSMutableURLRequest *)uploadImage:(NSString*)url uploadImage:(UIImage *)uploadImage params:(NSMutableDictionary *)params { [params setObject:uploadImage forKey:@"file"]; //分界线的标识符 NSString *TWITTERFON_FORM_BOUNDARY = @"AaB03x"; //根据url初始化request NSMutableURLRequest* request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:url] cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:10]; //分界线 --AaB03x NSString *MPboundary=[[NSString alloc]initWithFormat:@"--%@",TWITTERFON_FORM_BOUNDARY]; //结束符 AaB03x-- NSString *endMPboundary=[[NSString alloc]initWithFormat:@"%@--",MPboundary]; //要上传的图片 UIImage *image=[params objectForKey:@"file"]; //得到图片的data NSData* data = UIImagePNGRepresentation(image); //http body的字符串 NSMutableString *body=[[NSMutableString alloc]init]; //参数的集合的所有key的集合 NSArray *keys= [params allKeys]; //遍历keys for(int i = 0; i < [keys count]; i++) { //得到当前key NSString *key = [keys objectAtIndex:i]; //如果key不是file，说明value是字符类型，比如name：Boris if(![key isEqualToString:@"file"]) { //添加分界线，换行 [body appendFormat:@"%@\r\n",MPboundary]; //添加字段名称，换2行 [body appendFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",key]; //添加字段的值 [body appendFormat:@"%@\r\n",[params objectForKey:key]]; } } ////添加分界线，换行 [body appendFormat:@"%@\r\n",MPboundary]; //声明file字段，文件名为image.png [body appendFormat:@"Content-Disposition: form-data; name=\"file\"; filename=\"image.png\"\r\n"]; //声明上传文件的格式 [body appendFormat:@"Content-Type: image/png\r\n\r\n"]; //声明结束符：--AaB03x-- NSString *end=[[NSString alloc] initWithFormat:@"\r\n%@",endMPboundary]; //声明myRequestData，用来放入http body NSMutableData *myRequestData = [NSMutableData data]; //将body字符串转化为UTF8格式的二进制 [myRequestData appendData:[body dataUsingEncoding:NSUTF8StringEncoding]]; //将image的data加入 [myRequestData appendData:data]; //加入结束符--AaB03x-- [myRequestData appendData:[end dataUsingEncoding:NSUTF8StringEncoding]]; //设置HTTPHeader中Content-Type的值 NSString *content=[[NSString alloc]initWithFormat:@"multipart/form-data; boundary=%@",TWITTERFON_FORM_BOUNDARY]; //设置HTTPHeader [request setValue:content forHTTPHeaderField:@"Content-Type"]; //设置Content-Length [request setValue:[NSString stringWithFormat:@"%d", [myRequestData length]] forHTTPHeaderField:@"Content-Length"]; //设置http body [request setHTTPBody:myRequestData]; //http method [request setHTTPMethod:@"POST"]; return request;}@end// 使用// Swiftstatic func uploadPortrait(image: UIImage, url:String) { // 使用 let request = RequestPostUploadHelper.uploadImage(url, uploadImage: image, params: [:]) // 异步网络请求 NSURLConnection.sendAsynchronousRequest(request, queue: NSOperationQueue()) { (response: NSURLResponse?, data: NSData?, error: NSError?) in if error != nil { // 失败 } else { // 成功 } }}<?php// PHP代码和上一步相同?>
暂时没有找到办法，PHP接收到16进制编码后，使用算法转换为二进制后无法输出图片
暂时没有找到办法，iOS端使用NSData的getBytes无法转换为二进制
