first commit

maibu-common/src/main/java/com/maibu/utils/BeanMapUtilByReflect.java

@@ -0,0 +1,74 @@
+package com.maibu.utils;
+
+
+import com.maibu.core.thingsModel.ThingsModelSimpleItem;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class BeanMapUtilByReflect {
+ 
+    /**
+     * 对象转Map
+     * @param object
+     * @return
+     * @throws IllegalAccessException
+     */
+    public static Map beanToMap(Object object) throws IllegalAccessException {
+        Map<String, Object> map = new HashMap<String, Object>();
+        Field[] fields = object.getClass().getDeclaredFields();
+        for (Field field : fields) {
+            field.setAccessible(true);
+            map.put(field.getName(), field.get(object));
+        }
+        return map;
+    }
+
+    /**
+     * bean转item对象
+     * @param object
+     * @return
+     * @throws IllegalAccessException
+     */
+    public static List<ThingsModelSimpleItem> beanToItem(Object object) throws IllegalAccessException {
+        List<ThingsModelSimpleItem> result = new ArrayList<>();
+        Field[] fields = object.getClass().getDeclaredFields();
+        for (Field field : fields) {
+            field.setAccessible(true);
+            ThingsModelSimpleItem item = new ThingsModelSimpleItem();
+            item.setId(field.getName());
+            item.setValue(field.get(object)+"");
+            item.setTs(DateUtils.getNowDate());
+            result.add(item);
+        }
+        return result;
+    }
+ 
+    /**
+     * map转对象
+     * @param map
+     * @param beanClass
+     * @param <T>
+     * @return
+     * @throws Exception
+     */
+    public static <T> T mapToBean(Map map, Class<T> beanClass) throws Exception {
+        T object = beanClass.newInstance();
+        Field[] fields = object.getClass().getDeclaredFields();
+        for (Field field : fields) {
+            int mod = field.getModifiers();
+            if (Modifier.isStatic(mod) || Modifier.isFinal(mod)) {
+                continue;
+            }
+            field.setAccessible(true);
+            if (map.containsKey(field.getName())) {
+                field.set(object, map.get(field.getName()));
+            }
+        }
+        return object;
+    }
+}