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怎么在SpringBoot中忽略請求參數(shù)的大小寫-創(chuàng)新互聯(lián)
這篇文章給大家介紹怎么在SpringBoot中忽略請求參數(shù)的大小寫,內(nèi)容非常詳細,感興趣的小伙伴們可以參考借鑒,希望對大家能有所幫助。
import java.io.IOException; import java.util.Collections; import java.util.Enumeration; import java.util.Map; import javax.servlet.FilterChain; import javax.servlet.ServletException; import javax.servlet.annotation.WebFilter; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletRequestWrapper; import javax.servlet.http.HttpServletResponse; import org.springframework.core.annotation.Order; import org.springframework.util.LinkedCaseInsensitiveMap; import org.springframework.web.filter.OncePerRequestFilter; @Order(1) //重點 @WebFilter(filterName = "caseInsensitiveFilter", urlPatterns = "/*") public class CaseInsensitiveRequestParameterNameFilter extends OncePerRequestFilter { public CaseInsensitiveRequestParameterNameFilter() { System.out.println("CaseInsensitiveRequestParameterNameFilter.CaseInsensitiveRequestParameterNameFilter()"); } @Override protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException { filterChain.doFilter(new CaseInsensitiveParameterNameHttpServletRequest(request), response); } public static class CaseInsensitiveParameterNameHttpServletRequest extends HttpServletRequestWrapper { private final LinkedCaseInsensitiveMapmap = new LinkedCaseInsensitiveMap<>(); public CaseInsensitiveParameterNameHttpServletRequest(HttpServletRequest request) { super(request); map.putAll(request.getParameterMap()); } @Override public String getParameter(String name) { String[] array = this.map.get(name); if (array != null && array.length > 0) return array[0]; return null; } @Override public Map getParameterMap() { return Collections.unmodifiableMap(this.map); } @Override public Enumeration getParameterNames() { return Collections.enumeration(this.map.keySet()); } @Override public String[] getParameterValues(String name) { return this.map.get(name); } } }
并在啟動類上加入@ServletComponentScan注解
補充:springboot 接受大寫參數(shù)時,接收值為空的解決
入?yún)ⅲ?/h4>{
"title":"文章標題1",
"content":"文章內(nèi)容22222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222",
"DOI":"123",
"PMID":"1234",
"email":"121607691@qq.com"
}
springboot 接到的DOI和PMID 為null,頭字母改為小寫后正常。
原因及解決
是spring 使用@requestbody 接收時遵循駝峰命名規(guī)則,如果希望接收非駝峰的參數(shù)可以在對映的屬性上添加注解
@JsonProperty(value = "DOI") private String DOI;
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新聞名稱:怎么在SpringBoot中忽略請求參數(shù)的大小寫-創(chuàng)新互聯(lián)
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