IOS博客项目搭建-17-发微博-发一张图片

// 2.封装请求参数
NSMutableDictionary *params = [NSMutableDictionary dictionary];

// 发送内容
params[@"status"] = self.textView.text;

// 根据之前封装的账号工具类IWAccountTool，登陆授权的账号信息被保存在本地，然后通过账号属性获取access_token
params[@"access_token"] = [IWAccountTool account].access_token;

// 上传图片（是否压缩,压缩质量为0.6，原图为1.0）
params[@"pic"] = UIImageJPEGRepresentation(self.imageView.image, 0.6);

// 3.发送请求
[mgr POST:@"https://upload.api.weibo.com/2/statuses/upload.json" parameters:params
success:^(AFHTTPRequestOperation *operation, id responseObject) {
[MBProgressHUD showSuccess:@"恭喜，发送成功"];
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
// 隐藏提醒框
[MBProgressHUD showError:@"抱歉，发送失败"];
}];

/**
*  发有图片微博
*/
- (void)sendWithImage
{
// AFNetworking\AFN
// 1.创建请求管理对象
AFHTTPRequestOperationManager *mgr = [AFHTTPRequestOperationManager manager];

// 2.封装请求参数
NSMutableDictionary *params = [NSMutableDictionary dictionary];

// 发送内容
params[@"status"] = self.textView.text;

// 根据之前封装的账号工具类IWAccountTool，登陆授权的账号信息被保存在本地，然后通过账号属性获取access_token
params[@"access_token"] = [IWAccountTool account].access_token;

// 上传图片（是否压缩,压缩质量为0.6，原图为1.0）
// params[@"pic"] = UIImageJPEGRepresentation(self.imageView.image, 0.6);

// 3.发送请求
/*
[mgr POST:@"https://upload.api.weibo.com/2/statuses/upload.json" parameters:params
success:^(AFHTTPRequestOperation *operation, id responseObject) {
[MBProgressHUD showSuccess:@"恭喜，发送成功"];
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
// 隐藏提醒框
[MBProgressHUD showError:@"抱歉，发送失败"];
}];
*/
[mgr POST:@"https://upload.api.weibo.com/2/statuses/upload.json" parameters:params constructingBodyWithBlock:^(id<AFMultipartFormData> formData) { // 在发送请求之前调用这个block

//必须在这里说明需要上传哪些文件
NSData *data = UIImageJPEGRepresentation(self.imageView.image, 0.6);
[formData appendPartWithFileData:data name:@"pic" fileName:@"text.jpg" mimeType:@"image/jpeg"];

}  success:^(AFHTTPRequestOperation *operation, id responseObject) {
[MBProgressHUD showSuccess:@"恭喜，发送成功"];
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
// 隐藏提醒框
[MBProgressHUD showError:@"抱歉，发送失败"];
}];

// 4.关闭控制器。当用户点击发送微博按钮后，需要将发微博界面关掉，因为发微博有时可能需要很长时间
[self dismissViewControllerAnimated:YES completion:nil];

}