CSV导出乱码

myproject/src/main/java/com/myproject/bean/excel/CNCsvView.java

@@ -2,6 +2,10 @@ package com.myproject.bean.excel;
 
 import org.displaytag.export.CsvView;
 
+import javax.servlet.jsp.JspException;
+import java.io.IOException;
+import java.io.Writer;
+
 /**
  * Created by sunke on 2019/2/26.
  */
@@ -10,4 +14,10 @@ public class CNCsvView extends CsvView{
     public String getMimeType() {
         return "text/csv";
     }
+
+    @Override
+    public void doExport(Writer out) throws IOException, JspException {
+        out.write(new String(new byte[] { (byte) 0xEF, (byte) 0xBB,(byte) 0xBF }));
+        super.doExport(out);
+    }
 }