上传文件至服务器（图片）

要求：

//
//  FileSelectedViewController.h
//  移动办公
//
//  Created by 张艳锋 on 2018/10/25.
//  Copyright © 2018年 dev. All rights reserved.
//

#import <UIKit/UIKit.h>


@interface FileSelectedViewController : UIViewController

@end

//
//  FileSelectedViewController.m
//  移动办公
//
//  Created by 张艳锋 on 2018/10/25.
//  Copyright © 2018年 dev. All rights reserved.
//

#import "FileSelectedViewController.h"

#define YYEncode(str) [str dataUsingEncoding:NSUTF8StringEncoding]

@interface FileSelectedViewController ()<UITableViewDelegate,UITableViewDataSource,PullListTableDelegate>

@property(nonatomic,strong)PullListTableView *tableView;

@property(nonatomic,strong)UIView *blankView;
@property(nonatomic,strong)NSMutableArray *nameMutArray;
@property(nonatomic,strong)NSDictionary *fileDic;
@property(nonatomic,strong)NSString *selectedFile;

@end

@implementation FileSelectedViewController
-(NSString *)selectedFile{
    if (!_selectedFile) {
        _selectedFile = [[NSString alloc]init];
    }
    return _selectedFile;
}
-(NSMutableArray *)nameMutArray{
    if (!_nameMutArray) {
        _nameMutArray = [[NSMutableArray alloc]init];
    }
    return _nameMutArray;
}
-(NSDictionary *)fileDic{
    if (!_fileDic) {
        _fileDic = [[NSDictionary alloc]init];
    }
    return _fileDic;
}

-(UIView *)blankView
{
    if(!_blankView)
    {
        _blankView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, JX_SCREEN_WIDTH, [UIScreen mainScreen].bounds.size.height - SafeAreaTopHeight)];
        _blankView.backgroundColor = [UIColor colorWithRed:(CGFloat)241 / 255 green:(CGFloat)241 / 255 blue:(CGFloat)241 / 255 alpha:1.0];
        UIImage *image = [UIImage imageNamed:@"blank_page"];
        UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, JX_SCREEN_WIDTH * 0.4, JX_SCREEN_WIDTH * 0.4)];
        imageView.center = CGPointMake(_blankView.center.x, _blankView.center.y - 88);
        imageView.image = image;
        UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(imageView.frame.origin.x, imageView.frame.origin.y + imageView.frame.size.height + 10, imageView.frame.size.width, 18.0)];
        label.textColor = [UIColor colorWithRed:(CGFloat)124 / 255 green:(CGFloat)124 / 255 blue:(CGFloat)124 / 255 alpha:1.0];
        label.font = [UIFont systemFontOfSize:16];
        label.text = @"暂无内容";
        label.textAlignment = NSTextAlignmentCenter;
        [_blankView addSubview:imageView];
        [_blankView addSubview:label];
    }
    return  _blankView;
}
- (void)viewDidLoad {
    [super viewDidLoad];
    [self addTopNaviBarWithTitle:@"上传文件"];
    
    self.fileDic = [self localFile];
    self.nameMutArray =[[NSMutableArray alloc]initWithArray:[_fileDic allKeys]];
    
    self.tableView = [[PullListTableView alloc]initWithFrame:CGRectMake(0, SafeAreaTopHeight, [UIScreen mainScreen].bounds.size.width, [UIScreen mainScreen].bounds.size.height - SafeAreaTopHeight- SafeAreaBottomHeight)];
    self.tableView.delegate = self;
    self.tableView.dataSource = self;
    self.tableView.pullListDelegate = self;
    self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    self.tableView.tableFooterView = [UIView new];
    [self.view addSubview:self.tableView];

}

#pragma mark----导航栏
-(void)addTopNaviBarWithTitle:(NSString *)title
{
    UIView *naviBar = [[UIView alloc]initWithFrame:CGRectMake(0, 0, JX_SCREEN_WIDTH, SafeAreaTopHeight)];
    UIColor *naviColor = NAVIBAR_COLOR_DEFAULT;
    naviBar.backgroundColor = naviColor;
    
    UILabel *titleLabel = [[UILabel alloc]initWithFrame:CGRectMake(0, 0, JX_SCREEN_WIDTH-40-40, 132.0 / SCALE)];
    titleLabel.font = TITLE_FONT_SIZE;
    titleLabel.textColor = [UIColor whiteColor];
    titleLabel.textAlignment =  IFLY_ALIGN_CENTER;
    [titleLabel setCenter:CGPointMake(naviBar.center.x, naviBar.center.y + SCREEN_Y / 2.0)];
    [naviBar addSubview:titleLabel];
    titleLabel.hidden = NO;
    titleLabel.text = title;
 
    UIButton *backBottomBtn = [[UIButton alloc]initWithFrame:CGRectMake(0, SCREEN_Y, 60, 44)];
    backBottomBtn.backgroundColor = [UIColor clearColor];
    [backBottomBtn addTarget:self action:@selector(goBack) forControlEvents:UIControlEventTouchUpInside];
    [naviBar addSubview:backBottomBtn];
    UIButton *backButton = [[UIButton alloc]initWithFrame:CGRectMake(36.0 / SCALE,SCREEN_Y+ (44-66.0 / SCALE)/2, 66.0 / SCALE, 66.0 / SCALE)];
    [backButton setImage:[UIImage imageNamed:@"Right"] forState:UIControlStateNormal];
    [backButton addTarget:self action:@selector(goBack) forControlEvents:UIControlEventTouchUpInside];
    [naviBar addSubview:backButton];
    [self.view addSubview:naviBar];
}
-(void)goBack
{
    [self.navigationController popViewControllerAnimated:YES];
}




-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    CGFloat subH = 40.0;
    
    return subH;
}

-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return self.nameMutArray.count;
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *cell = [[UITableViewCell alloc]init];
    cell.textLabel.text = [self.nameMutArray objectAtIndex:indexPath.row];
    return cell;
}
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
    
    self.selectedFile = [self.nameMutArray objectAtIndex:indexPath.row];
    
    UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@"上传文件" message:self.selectedFile delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];
    [alertView show];
    
}

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex NS_DEPRECATED_IOS(2_0, 9_0){
    
    if (buttonIndex == 1) {
        // 给本地文件发送一个请求
        
        NSData *data = [NSData dataWithContentsOfFile:[_fileDic objectForKey:_selectedFile]];
        NSDictionary *parms=@{@"***" : @"180725205942u******nTt5sg7ReWmV",@"***" : @"18072520594*******sg7ReWmV",@"****" : @"1",@"fileId": @""};
        //上传文件
        [self upload:@"file" filename:self.selectedFile mimeType:nil data:data parmas:parms];
        
    }
}

- (void)upload:(NSString *)name filename:(NSString *)filename mimeType:(NSString *)mimeType data:(NSData *)data parmas:(NSDictionary *)params
{
    //获取文件的后缀名
    NSString *extension = [filename componentsSeparatedByString:@"."].lastObject;
    //设置mimeType
    if ([filename hasSuffix:@"png"]||[filename  hasSuffix:@"jpg"]||[filename hasSuffix:@"jpeg"]||[filename hasSuffix:@"bmp"]) {
        mimeType = [NSString stringWithFormat:@"image/%@", extension];
    } else if([filename hasSuffix:@"mp3"]){
        mimeType = [NSString stringWithFormat:@"audio/mpeg"];
    }else if([filename hasSuffix:@"mp4"]||[filename hasSuffix:@"mov"]||[filename hasSuffix:@"mpg4"]){
        mimeType = [NSString stringWithFormat:@"video/mp4"];
    }else if([filename hasSuffix:@"js"]){
        mimeType = [NSString stringWithFormat:@"application/javascript"];
    }else if([filename hasSuffix:@"pdf"]){
        mimeType = [NSString stringWithFormat:@"application/pdf"];
    }else if([filename hasSuffix:@"text"]||[filename hasSuffix:@"txt"]){
        mimeType = [NSString stringWithFormat:@"text/plain"];
    }else if([filename hasSuffix:@"json"]){
        mimeType = [NSString stringWithFormat:@"application/json"];
    }else if([filename hasSuffix:@"xml"]){
        mimeType = [NSString stringWithFormat:@"text/xml"];
    }else{
        mimeType = [NSString stringWithFormat:@"text/plain"];
    }
    
    // 文件上传
    NSString *url =[NSString stringWithFormat:@"%@/%@/**/****************/********",BASEURL,PLATFORM];
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:url]
                                                           cachePolicy:NSURLRequestReloadIgnoringLocalCacheData
                                                       timeoutInterval:30];
    request.HTTPMethod = @"POST";
    
    // 设置请求体
    NSMutableData *body = [NSMutableData data];
    
    /***************文件参数***************/
    // 参数开始的标志
    [body appendData:YYEncode(@"--YY
")];
    // name : 指定参数名(必须跟服务器端保持一致)
    // filename : 文件名
    NSString *disposition = [NSString stringWithFormat:@"Content-Disposition: form-data; name="%@"; filename="%@"
", name, filename];
    [body appendData:YYEncode(disposition)];
    NSString *type = [NSString stringWithFormat:@"Content-Type: %@
", mimeType];
    [body appendData:YYEncode(type)];
    
    [body appendData:YYEncode(@"
")];
    [body appendData:data];
    [body appendData:YYEncode(@"
")];
    
    /***************普通参数***************/
    [params enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
        // 参数开始的标志
        [body appendData:YYEncode(@"--YY
")];
        NSString *disposition = [NSString stringWithFormat:@"Content-Disposition: form-data; name="%@"
", key];
        [body appendData:YYEncode(disposition)];
        
        [body appendData:YYEncode(@"
")];
        [body appendData:YYEncode(obj)];
        [body appendData:YYEncode(@"
")];
    }];
    /***************参数结束***************/
    // YY--

    [body appendData:YYEncode(@"--YY--
")];
    request.HTTPBody = body;
    
    // 设置请求头
    // 请求体的长度
    [request setValue:[NSString stringWithFormat:@"%zd", body.length] forHTTPHeaderField:@"Content-Length"];
    // 声明这个POST请求是个文件上传
    [request setValue:@"multipart/form-data; boundary=YY" forHTTPHeaderField:@"Content-Type"];
    NSUserDefaults *defaults = [NSUserDefaults  standardUserDefaults];
    [request setValue:[defaults objectForKey:@"x-auth-token"] forHTTPHeaderField:@"x-auth-token"];
    
    // 发送请求
    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
        if (data) {
            NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil];
            NSLog(@"%@", dict);
            [[MyAlertCenter defaultCenter] postAlertWithMessage:@"上传成功"];
            [self.navigationController popViewControllerAnimated:YES];
        } else {
            NSLog(@"上传失败");
            [self.navigationController popViewControllerAnimated:YES];

        }
    }];
}

//本地文件路径
-(NSMutableDictionary *)localFile{
    //document目录
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    DCFLog(@"%@",paths);
    NSString *path = [paths objectAtIndex:0];
    NSFileManager *fm = [NSFileManager defaultManager];
    NSDirectoryEnumerator *dirEnum = [fm enumeratorAtPath:path];
    NSString *fileName;
    NSMutableDictionary *R = [NSMutableDictionary dictionary];
    while (fileName = [dirEnum nextObject]) {
        NSLog(@"短路径:%@", fileName);
        NSLog(@"全路径:%@", [path stringByAppendingPathComponent:fileName]);
        NSString *key = [fileName componentsSeparatedByString:@"/"].lastObject;
        [R setObject:[path stringByAppendingPathComponent:fileName] forKey:key];
    }
    //  key为文件名    value为路径
    return R;
}


@end