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Java操作MySQL的中文处理方法_MySQL

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Release: 2016-06-01 13:55:50
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  1、建立一个类,包括一个格式将中文转换为ISO8859-1编码的方法:  

publicclass Format2Chinese {
  public Format2Chinese() {
  }
  public String format2IS08859(String str) {
  try {
  if (str == null    str.trim().equals(""))
  str = "";
  else
  str = new String(str.getBytes("ISO8859-1"));
  } catch (Exception e) {
  e.printStackTrace();
  }
  return str;
  }
  }

  2、你的bean里面这时就要加一些东西了,如下面这个简单的bean:  

publicclass Leavemsg
  {
  public Leavemsg() {
  }
  //这个要加的,因为写入的时候我们不格式,写出的时候格式化
  public Leavemsg(boolean format) {
  this.format = format;
  }
  private String msg;
  booleanformat = false; //用于确定是否将字符格式转换
  Format2Chinese function = new Format2Chinese();
  publicvoid setMsg(String msg) {
  if (format) {
  this.msg = function.format2IS08859(msg);
  } else
  this.msg = msg;
  }
  public String getMsg() {
  return msg;
  }
  }

  3、在用bean装数据的时候,这样声明:

  Leavemsg msg=new Leavemsg(true); 然后其它的操作都是一样的,就OK了。

  这时页面显示中文的时候就不会出问题了,在JSP页面里这可以这样,用该类做包装得到的内容。

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