java web导出csv文件中文乱码问题解决。

要输出csv文件,只要改一下头信息就可以,如下设置就可以:

response.setContentType("application/csv;charset=gb18030");

response.setHeader("Content-Disposition","attachment; filename=x.csv");

乱码问题:

一开始我觉的编码设置的应该是正确的(在网上看资料也是这样设置),应该不是编码问题了,搞不明白,后来我把设置头信息的语句放在了最前面,中文乱码问题就解决了!

*这里还使用了中文转拼音的外包(pinyin4j.jar)--只关心导出csv文件的不用管它,主要看绿色字体的代码

我是写在了servlet当中

public void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

response.setContentType("application/csv;charset=gb18030");

response.setHeader("Content-Disposition","attachment; filename=x.csv");

PrintWriter out = response.getWriter();//放在第一句是会出现乱码

String str = request.getParameter("name");

//out.println(str.charAt(0));

try {

Class.forName("com.mysql.jdbc.Driver");

} catch (ClassNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

try{

java.sql.Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","accp");

//out.println(con);

java.sql.Statement stat = con.createStatement();

ResultSet rs = stat.executeQuery("desc book");//mysql语法

while(rs.next()){

out.print("/""+(String)rs.getObject(1)+"/",");//输出表的列名

}

out.print("/n");

rs = stat.executeQuery("select * from book");

while(rs.next()){

String name=rs.getString(3);

char c = name.charAt(0);

String[] t2 = new String[10];

//宣告輸出的格式

net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat t3 = new

HanyuPinyinOutputFormat();

t3.setCaseType(HanyuPinyinCaseType.UPPERCASE);

t3.setToneType(HanyuPinyinToneType.WITHOUT_TONE);

t3.setVCharType(HanyuPinyinVCharType.WITH_V);

t2 = PinyinHelper.toHanyuPinyinStringArray(c, t3);

if(t2[0].charAt(0)==str.toUpperCase().charAt(0)){

out.print("/""+rs.getInt(1)+"/","); //单元格的内容用""并用","隔开

out.print("/""+rs.getString(2)+"/",");

out.print("/""+name+"/",");

out.print("/""+rs.getFloat(4)+"/"/n");// /n在excel里也是换行

}

}

}catch(SQLException e){

e.printStackTrace();

} catch (BadHanyuPinyinOutputFormatCombination e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

out.flush();

out.close();

}