提交代码

src/main/java/cn/keking/anti_reptile/servlet/ValidateSmallServlet.java

+package cn.keking.anti_reptile.servlet;
+
+import cn.keking.anti_reptile.ValidateFormService;
+import cn.keking.anti_reptile.util.CrosUtil;
+import org.springframework.context.ApplicationContext;
+import org.springframework.web.context.support.WebApplicationContextUtils;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+/**
+ * @author chenjh
+ * @since 2020/2/10 09:20
+ */
+public class ValidateSmallServlet extends HttpServlet {
+
+    private ValidateFormService validateFormService;
+
+    private AtomicBoolean initialized = new AtomicBoolean(false);
+
+    private synchronized void init(ServletContext servletContext) {
+        ApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(servletContext);
+        assert ctx != null;
+        this.validateFormService = ctx.getBean(ValidateFormService.class);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        if (!initialized.get()) {
+            init(request.getServletContext());
+            initialized.set(true);
+        }
+        String result = validateFormService.small(request);
+        CrosUtil.setCrosHeader(response);
+        response.setContentType("application/json;charset=utf-8");
+        response.setStatus(200);
+        response.getWriter().write(result);
+        response.getWriter().close();
+        return;
+    }
+}