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119 方法 内容 sendPostJsonReq uri, jsonReq, charSet https isHttpsProtocoluri HttpClient httpClient HttpClientconnectionManager PostMethod postMethod PostMethoduri 添加交易流水 addHeaderTransIdpostMethod postMethod., logger. logger.,jsonReq postMethod. StringRequestEntityjsonReq,,charSet httpClient.postMethod 方法执行完之后，判断并设置响应charset setResponseCharSetpostMethod,charSet jsonRes jsonRes postMethod. logger. logger.,jsonRes jsonRes e1 logger.不支持的编码类型[{0}]",charSet .不支持的编码类型[{0}]",charSet HttpException e logger.,e ,e e logger.,e RuntimeIoException,e postMethod. https Protocol. 调用外部系统（文件下载，支持https） downloadFile uri, defCharset, savePath, fileName https isHttpsProtocoluri logger. logger.调用外部系统下载文件[{}]",uri HttpClient httpClient HttpClientconnectionManager GetMethod getMethod GetMethoduri 添加交易流水 addHeaderTransIdgetMethod inputStream HttpMethodParams httpMethodParams HttpMethodParams httpMethodParams.defCharset getMethod.httpMethodParams 方法实例去请求 httpClient.getMethod 方法执行完之后，判断并设置响应charset setResponseCharSetgetMethod,charSet inputStream getMethod. 获取数据数组 getData readInputStreaminputStream 文件保存位置 saveDir savePath saveDir. saveDir.