HttpServletRequest中讀取HTTP請求的body

背景

Spring MVC 等框架用久了之后，發現對於POST請求里面如果不使用@RequestBody 好像很難獲得POST的body。

HTTP請求中的是字符串數據

字符串讀取

void charReader(HttpServletRequest request) {
    BufferedReader br = request.getReader();

    String str, wholeStr = "";
    while((str = br.readLine()) != null){
        wholeStr += str;
}
System.out.println(wholeStr);

}

 

二進制讀取

void binaryReader(HttpServletRequest request) {
        int len = request.getContentLength();
        ServletInputStream iii = request.getInputStream();
        byte[] buffer = new byte[len];
        iii.read(buffer, 0, len);
}

 

void binaryReader(HttpServletRequest request) { intlen = request.getContentLength(); ServletInputStream iii = request.getInputStream(); byte[] buffer = new byte[len]; iii.read(buffer, 0, len); }