objective-c - iOS客户端如何 通过GCDAsyncSocket给Java服务器发送图片?
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PHP中文网 2017-05-02 09:31:48
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iOS客户端如何 通过GCDAsyncSocket给Java服务器发送图片?
java服务器说发三次,第一次发文件明名(utf),第二次发文件长度(int),第三次发图片(字节)
这是我也得代码,但是服务器收不到我的图片??

             NSData *data = UIImageJPEGRepresentation(result, 0.1);
            [self createClientTcpSocket];
            
            NSData *nameDate = [@"图片名2.jpg" dataUsingEncoding:NSUTF8StringEncoding];
            [asyncsocket writeData:nameDate withTimeout:-1 tag:0];
            
            uint64_t length =(uint64_t) data.length;
            length = CFSwapInt64HostToBig(length);
            NSData *lengthdata = [NSData dataWithBytes:&length length:8];
            [asyncsocket writeData:lengthdata withTimeout:-1 tag:0];
            
            [asyncsocket writeData:data withTimeout:-1 tag:0];
            [asyncsocket readDataWithTimeout:-1 tag:0];
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