requestparameter.java

我的文件是一个数据添加页面

package kmd.commo;

import javax.servlet.http.HttpServletRequest;

/** 页面参数
 * <p>Title:</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2007</p>
 * <p>Company: 重庆科美达电脑有限公司</p>
 * @author
 * @version 1.0
 */
public class RequestParameter {
  private HttpServletRequest request = null;

  public RequestParameter(HttpServletRequest _request) {
    request = _request;
  }

  public long getLong(String name, long defaultvalue) {
    try {
      String value = request.getParameter(name);
      return Long.parseLong(value);
    }
    catch (Exception ex) {}
    return defaultvalue;
  }

  public long getLong(String name) throws Exception {
    try {
      String value = request.getParameter(name);
      return Long.parseLong(value);
    }
    catch (Exception ex) {
      throw new Exception(ex.getMessage());
    }
  }

  public float getFloat(String name, long defaultvalue) {
      try {
        String value = request.getParameter(name);
        return Float.parseFloat(value);
      }
      catch (Exception ex) {}
      return defaultvalue;
    }

    public float getFloat(String name) throws Exception {
      try {
        String value = request.getParameter(name);
        return Float.parseFloat(value);
      }
      catch (Exception ex) {
        throw new Exception(ex.getMessage());
      }
    }


  public String getString(String name, String defaultvalue) {
    String value = request.getParameter(name);
    if (value != null) {
      return value;
    }
    return defaultvalue;
  }

  public String getString(String name) throws Exception {
    String value = request.getParameter(name);
    if (value != null) {
      return value;
    }
    throw new Exception("参数不存在");
  }

  public int getInt(String name, int defaultvalue) {
    try {
      String value = request.getParameter(name);
      return Integer.parseInt(value);
    }
    catch (Exception ex) {}
    return defaultvalue;
  }

  public int getInt(String name) throws Exception {
    try {
      String value = request.getParameter(name);
      return Integer.parseInt(value);
    }
    catch (Exception ex) {
      throw new Exception(ex.getMessage());
    }
  }

  public java.sql.Date getDate(String name, java.sql.Date defaultvalue) {
    try {
      String value = request.getParameter(name);
      return java.sql.Date.valueOf(value);
    }
    catch (Exception ex) {}
    return defaultvalue;
  }

  public java.sql.Date getDate(String name) throws Exception {
    try {
      String value = request.getParameter(name);
      return java.sql.Date.valueOf(value);
    }
    catch (Exception ex) {
      throw new Exception(ex.getMessage());
    }
  }
}