1. Description
1. Springboot version 2.2.13.RELEASE
2. Originally there was no garbled characters. I don’t know when other dependencies, namely dependencies, were added, which resulted in garbled characters.
3. Configure server.tomcat.uri-encoding=UTF-8, invalid
4 , configure spring.http.encoding.charset=UTF-8, invalid
5, solution: custom filter processing form parameters
6, my situation is really amazing, some interfaces are utf8, some interfaces are 8859; disgusting; Modify the code, temporarily solve it
Two, copy copy
package com.ruoyi.hg.filter;
import cn.hutool.core.util.ObjectUtil;
import com.ruoyi.common.utils.text.CharsetKit;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@Order(Integer.MIN_VALUE)
@Component
public class EncodingFilter extends OncePerRequestFilter {
private String encoding;
private boolean forceEncoding = false;
public void setEncoding(String encoding) {
this.encoding = encoding;
}
public void setForceEncoding(boolean forceEncoding) {
this.forceEncoding = forceEncoding;
}
public String filter(String input) {
return CharsetKit.convert(input, CharsetKit.ISO_8859_1, CharsetKit.UTF_8);
}
@Override
protected void doFilterInternal(final HttpServletRequest request, HttpServletResponse response,
FilterChain filterChain) throws ServletException, IOException {
// 设置request和response的编码格式(解决post请求乱码)
// 对request中的参数进行编码格式的转换(解决get请求乱码)
filterChain.doFilter(new HttpServletRequestWrapper(request) {
@Override
public String getParameter(String name) {
String value = super.getParameter(name);
return check8859(value);
}
@Override
public String[] getParameterValues(String name) {
String[] values = super.getParameterValues(name);
if (values == null) {
return null;
}
String value = null;
for (int i = 0; i < values.length; i++) {
value = values[i];
// 不包含,说明转成功了
values[i] = check8859(value);
}
return values;
}
}, response);
}
String check8859(String val) {
if (ObjectUtil.isNull(val)) {
return val;
}
String afterValue = filter(val);
if (afterValue.contains("?")) {
// utf8文字,强行通过 ISO_8859_1 -> utf8,会包含问好
return val;
}
// 不包含,说明转成功了
return afterValue;
}
}