Merge branches 'xyqb-user2-log' and 'xyqb-user2-userCenter' of...

Merge branches 'xyqb-user2-log' and 'xyqb-user2-userCenter' of http://gitabc.xyqb.com/head_group/xyqb-user2 into xyqb-user2-userCenter

src/main/java/cn/quantgroup/xyqb/aspect/log/ParamLogAdvice.java

+package cn.quantgroup.xyqb.aspect.log;
+
+import javassist.ClassClassPath;
+import javassist.ClassPool;
+import javassist.CtClass;
+import javassist.CtMethod;
+import javassist.Modifier;
+import javassist.NotFoundException;
+import javassist.bytecode.CodeAttribute;
+import javassist.bytecode.LocalVariableAttribute;
+import javassist.bytecode.MethodInfo;
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.annotation.After;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Pointcut;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.annotation.Configuration;
+
+
+/**
+ * Created by 11 on 2017/4/20.
+ */
+@Aspect
+@Configuration
+public class ParamLogAdvice {
+
+    private Logger LOGGER = LoggerFactory.getLogger(ParamLogAdvice.class);
+
+    /**
+     * 定义切面,拦截InnerController类中的所有方法
+     */
+    @Pointcut("execution(* cn.quantgroup.xyqb.controller.external.user.InnerController.*(..))")
+    public void logPointCut(){}
+
+    /**
+     * 后置通知,方法执行后获取方法的入参信息并打印日志
+     * @param jp
+     */
+    @After("logPointCut()")
+    public void printMethodParam(JoinPoint jp) {
+        Object[] params = jp.getArgs();
+        String methodName = jp.getSignature().getName();
+        String[] paramNames = null;
+        try {
+            paramNames = getFieldsName(jp.getTarget().getClass(), jp.getTarget().getClass().getName(), methodName);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        StringBuffer buffer = new StringBuffer();
+        if(null != paramNames) {
+            for(int i = 0; i < paramNames.length; i ++) {
+                buffer.append(paramNames[i]).append(":").append(params[i]).append(" ");
+            }
+            String logInfo = buffer.toString().substring(0, buffer.toString().length() - 1);
+            LOGGER.info("调用方法,方法名:{} , 方法参数:{}", methodName, logInfo);
+        }
+    }
+
+    /**
+     * 利用javassist获取方法的参数名称
+     * @param cls
+     * @param clazzName
+     * @param methodName
+     * @return
+     * @throws NotFoundException
+     */
+    private static String[] getFieldsName(Class cls, String clazzName, String methodName) throws NotFoundException {
+        //获取class定义的容器
+        ClassPool pool = ClassPool.getDefault();
+        ClassClassPath classPath = new ClassClassPath(cls);
+        pool.insertClassPath(classPath);
+        //从容器中获取编译后的class
+        CtClass cc = pool.get(clazzName);
+        //反射获取指定方法
+        CtMethod cm = cc.getDeclaredMethod(methodName);
+        MethodInfo methodInfo = cm.getMethodInfo();
+
+        CodeAttribute codeAttribute = methodInfo.getCodeAttribute();
+        LocalVariableAttribute attr = (LocalVariableAttribute) codeAttribute.getAttribute(LocalVariableAttribute.tag);
+        if (attr == null) {
+            return null;
+        }
+        String[] paramNames = new String[cm.getParameterTypes().length];
+        int pos = Modifier.isStatic(cm.getModifiers()) ? 0 : 1;
+        for (int i = 0; i < paramNames.length; i++){
+            paramNames[i] = attr.variableName(i + pos);
+        }
+        return paramNames;
+    }
+}