1 /** 取得本地文件的MIMEType */

 2 - (void) getMIMEType {

 3     // Socket 实现断点上传

 4

 5     //apache-tomcat-6.0.41/conf/web.xml 查找 文件的 mimeType

 6     //    UIImage *image = [UIImage imageNamed:@"test"];

 7     //    NSData *filedata = UIImagePNGRepresentation(image);

 8     //    [self upload:@"file" filename:@"test.png" mimeType:@"image/png" data:filedata parmas:@{@"username" : @"123"}];

 9

10     // 给本地文件发送一个请求

11     NSURL *fileurl = [[NSBundle mainBundle] URLForResource:@"itcast.txt" withExtension:nil];

12     NSURLRequest *request = [NSURLRequest requestWithURL:fileurl];

13     NSURLResponse *repsonse = nil;

14     NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&repsonse error:nil];

15

16     // 得到mimeType

17     NSLog(@"%@", repsonse.MIMEType);

18     [self upload:@"file" filename:@"itcast.txt" mimeType:repsonse.MIMEType data:data parmas:@{@"username":@"tom", @"type":@"xml"}];

19 }

  1 //

  2 //  ViewController.m

  3 //  UploadFileDemo

  4 //

  5 //  Created by haomengzhu on 15/1/28.

  6 //  Copyright (c) 2015年 haomengzhu. All rights reserved.

  7 //

  8

  9 #import "ViewController.h"

 10

 11 #define UTF8Encode(str) [str dataUsingEncoding:NSUTF8StringEncoding]

 12

 13 @interface ViewController ()

 14

 15 - (IBAction)upload;

 16

 17 @end

 18

 19 @implementation ViewController

 20

 21 - (void)viewDidLoad {

 22     [super viewDidLoad];

 23     // Do any additional setup after loading the view, typically from a nib.

 24 }

 25

 26 - (void)didReceiveMemoryWarning {

 27     [super didReceiveMemoryWarning];

 28     // Dispose of any resources that can be recreated.

 29 }

 30

 31 - (IBAction)upload {

 32     UIImage *image = [UIImage imageNamed:@"IMG_0413"];

 33     NSData *imageData = UIImagePNGRepresentation(image);

 34     [self upload:@"uploadedFile" filename:@"IMG_0413.PNG" mimeType:@"image/png" data:imageData parmas:nil];

 35 }

 36

 37 - (void)upload:(NSString *)name filename:(NSString *)filename mimeType:(NSString *)mimeType data:(NSData *)data parmas:(NSDictionary *)params

 38 {

 39     // 文件上传

 40     NSURL *url = [NSURL URLWithString:@"http://192.168.0.21:8080/MyTestServer/upload"];

 41     NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];

 42     request.HTTPMethod = @"POST";

 43

 44     // 设置请求体

 45     NSMutableData *body = [NSMutableData data];

 46

 47     /***************文件參数***************/

 48     // 參数開始的标志

 49     [body appendData:UTF8Encode(@"--HelloVoidWorldBoundary\r\n")];

 50     // name : 指定參数名(必须跟server端保持一致)

 51     // filename : 文件名称

 52     NSString *disposition = [NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"%@\"\r\n", name, filename];

 53     [body appendData:UTF8Encode(disposition)];

 54     NSString *type = [NSString stringWithFormat:@"Content-Type: %@\r\n", mimeType];

 55     [body appendData:UTF8Encode(type)];

 56

 57     [body appendData:UTF8Encode(@"\r\n")];

 58     [body appendData:data];

 59     [body appendData:UTF8Encode(@"\r\n")];

 60

 61     /***************普通參数***************/

 62     [params enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {

 63         // 參数開始的标志

 64         [body appendData:UTF8Encode(@"--HelloVoidWorldBoundary\r\n")];

 65         NSString *disposition = [NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n", key];

 66         [body appendData:UTF8Encode(disposition)];

 67

 68         [body appendData:UTF8Encode(@"\r\n")];

 69         [body appendData:UTF8Encode(obj)];

 70         [body appendData:UTF8Encode(@"\r\n")];

 71     }];

 72

 73     /***************參数结束***************/

 74     // HelloVoidWorldBoundary--\r\n

 75     [body appendData:UTF8Encode(@"--HelloVoidWorldBoundary--\r\n")];

 76     request.HTTPBody = body;

 77

 78     // 设置请求头

 79     // 请求体的长度

 80     [request setValue:[NSString stringWithFormat:@"%zd", body.length] forHTTPHeaderField:@"Content-Length"];

 81     // 声明这个POST请求是个文件上传

 82     [request setValue:@"multipart/form-data; boundary=HelloVoidWorldBoundary" forHTTPHeaderField:@"Content-Type"];

 83

 84     // 发送请求

 85     [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {

 86         NSLog(@"開始上传~~~");

 87         if (data) {

 88             NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil];

 89             NSLog(@"%@", dict);

 90         } else {

 91             NSLog(@"上传失败");

 92         }

 93     }];

 94 }

 95

 96 /** 取得本地文件的MIMEType */

 97 - (void) getMIMEType {

 98     // Socket 实现断点上传

 99

100     //apache-tomcat-6.0.41/conf/web.xml 查找 文件的 mimeType

101     //    UIImage *image = [UIImage imageNamed:@"test"];

102     //    NSData *filedata = UIImagePNGRepresentation(image);

103     //    [self upload:@"file" filename:@"test.png" mimeType:@"image/png" data:filedata parmas:@{@"username" : @"123"}];

104

105     // 给本地文件发送一个请求

106     NSURL *fileurl = [[NSBundle mainBundle] URLForResource:@"itcast.txt" withExtension:nil];

107     NSURLRequest *request = [NSURLRequest requestWithURL:fileurl];

108     NSURLResponse *repsonse = nil;

109     NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&repsonse error:nil];

110

111     // 得到mimeType

112     NSLog(@"%@", repsonse.MIMEType);

113     [self upload:@"file" filename:@"itcast.txt" mimeType:repsonse.MIMEType data:data parmas:@{@"username":@"tom", @"type":@"xml"}];

114 }

115

116

117 @end