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MultipartHttpServletRequest 如何接收表单参数

爪哇驿站 2022-10-27 阅读 115

public class DefaultMultipartHttpServletRequest extends AbstractMultipartHttpServletRequest {
  private static final String CONTENT_TYPE = "Content-Type";
  private Map

multipartParameters;

  private Map

multipartParameterContentTypes;

  public Map

getParameterMap() {

  Map multipartParameters = this.getMultipartParameters();
  if(multipartParameters.isEmpty()) {
  return super.getParameterMap();
  } else {
  LinkedHashMap paramMap = new LinkedHashMap();
  paramMap.putAll(super.getParameterMap());
  paramMap.putAll(multipartParameters);
  return paramMap;
  }
  }
  ...
  }

  =================================================

  获取普通参数:request.getParameterMap().get("XXX");

  获取文件:request.getFile("XXX");

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