From 759bbb8ee99665382a689fa90277a9b2279238da Mon Sep 17 00:00:00 2001
From: songhuangfeng123 <shf18767906695@163.com>
Date: 星期五, 19 八月 2022 19:04:02 +0800
Subject: [PATCH] Merge branches 'genchuang' and 'master' of https://sinanoaq.cn:8888/r/safePlatform-out into master
---
goal-manage/goal-manage-service/src/main/java/com/gkhy/safePlatform/targetDuty/utils/BeanToMapUtil.java | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 107 insertions(+), 0 deletions(-)
diff --git a/goal-manage/goal-manage-service/src/main/java/com/gkhy/safePlatform/targetDuty/utils/BeanToMapUtil.java b/goal-manage/goal-manage-service/src/main/java/com/gkhy/safePlatform/targetDuty/utils/BeanToMapUtil.java
new file mode 100644
index 0000000..35ac5d8
--- /dev/null
+++ b/goal-manage/goal-manage-service/src/main/java/com/gkhy/safePlatform/targetDuty/utils/BeanToMapUtil.java
@@ -0,0 +1,107 @@
+package com.gkhy.safePlatform.targetDuty.utils;
+
+/**
+ */
+import java.beans.BeanInfo;
+import java.beans.IntrospectionException;
+import java.beans.Introspector;
+import java.beans.PropertyDescriptor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
+
+public class BeanToMapUtil {
+
+ /**
+ * 将一个 Map 对象转化为一个 JavaBean
+ * @param type 要转化的类型
+ * @param map 包含属性值的 map
+ * @return 转化出来的 JavaBean 对象
+ * @throws IntrospectionException
+ * 如果分析类属性失败
+ * @throws IllegalAccessException
+ * 如果实例化 JavaBean 失败
+ * @throws InstantiationException
+ * 如果实例化 JavaBean 失败
+ * @throws InvocationTargetException
+ * 如果调用属性的 setter 方法失败
+ */
+ public static Object convertMap(Class type, Map map)
+ throws IntrospectionException, IllegalAccessException,
+ InstantiationException, InvocationTargetException {
+ BeanInfo beanInfo = Introspector.getBeanInfo(type); // 获取类属性
+ Object obj = type.newInstance(); // 创建 JavaBean 对象
+
+ // 给 JavaBean 对象的属性赋值
+ PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
+ for (int i = 0; i< propertyDescriptors.length; i++) {
+ PropertyDescriptor descriptor = propertyDescriptors[i];
+ String propertyName = descriptor.getName();
+
+ if (map.containsKey(propertyName)) {
+ // 下面一句可以 try 起来，这样当一个属性赋值失败的时候就不会影响其他属性赋值。
+ Object value = map.get(propertyName);
+
+ Object[] args = new Object[1];
+ args[0] = value;
+
+ descriptor.getWriteMethod().invoke(obj, args);
+ }
+ }
+ return obj;
+ }
+
+ /**
+ * 将一个 JavaBean 对象转化为一个 Map
+ * @param bean 要转化的JavaBean 对象
+ * @return 转化出来的 Map 对象
+ * @throws IntrospectionException 如果分析类属性失败
+ * @throws IllegalAccessException 如果实例化 JavaBean 失败
+ * @throws InvocationTargetException 如果调用属性的 setter 方法失败
+ */
+ public static Map convertBean(Object bean)
+ throws IntrospectionException, IllegalAccessException, InvocationTargetException {
+ Class type = bean.getClass();
+ Map returnMap = new HashMap();
+ BeanInfo beanInfo = Introspector.getBeanInfo(type);
+
+ PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
+ for (int i = 0; i< propertyDescriptors.length; i++) {
+ PropertyDescriptor descriptor = propertyDescriptors[i];
+ String propertyName = descriptor.getName();
+ if (!propertyName.equals("class")) {
+ Method readMethod = descriptor.getReadMethod();
+ Object result = readMethod.invoke(bean, new Object[0]);
+ if (result != null) {
+ returnMap.put(propertyName, result);
+ } else {
+ returnMap.put(propertyName, "");
+ }
+ }
+ }
+ return returnMap;
+ }
+
+
+ public static Map convertHaveDataBean(Object bean)
+ throws IntrospectionException, IllegalAccessException, InvocationTargetException {
+ Class type = bean.getClass();
+ Map returnMap = new HashMap();
+ BeanInfo beanInfo = Introspector.getBeanInfo(type);
+
+ PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
+ for (int i = 0; i< propertyDescriptors.length; i++) {
+ PropertyDescriptor descriptor = propertyDescriptors[i];
+ String propertyName = descriptor.getName();
+ if (!propertyName.equals("class")) {
+ Method readMethod = descriptor.getReadMethod();
+ Object result = readMethod.invoke(bean, new Object[0]);
+ if (result != null) { //有值得字段放入map中，其他的不要
+ returnMap.put(propertyName, result);
+ }
+ }
+ }
+ return returnMap;
+ }
+}
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