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Open an {@link HttpURLConnection} for the specified {@link URL}. @throws IOException

Append given map as query parameters to the base URL <p> Each map entry's key will be a parameter name and the value's {@link Object#toString()} will

显示 Toast @param context 上下文 @param message 消息内容 @param duration 持续时间

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Start a 'PUT' request to the given URL @param url @return request @throws HttpRequestException

Write string to stream @param value @return this stream @throws IOException

Set the 'User-Agent' header to given value @param userAgent @return this request

Write contents of file to request body @param input @return this request @throws HttpRequestException

Get underlying connection @return connection

读取字符串

Set header name to given value @param name @param value @return this request

存储字符串

根据文件路径获取文件 @param filePath 文件路径 @return 文件

Encode the given URL as an ASCII {@link String} <p> This method ensures the path and query segments of the URL are properly encoded such as ' ' charac

Set property to given value. <p> Specifying a null value will cause the property to be cleared @param name @param value @return previous value

Copy from input stream to output stream @param input @param output @return this request @throws IOException

Operation complete callback @throws IOException

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