springcloud-shiro

package com.springboot.eurekazuul.utils; import java.beans.SimpleBeanInfo; import java.lang.reflect.Field; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.math.BigDecimal; import java.math.BigInteger; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Map; import org.springframework.stereotype.Component; /** * 将map转换为bean对象 * @author Administrator * */ public class MapToBeanUtil { @SuppressWarnings("unchecked") public static Object mapToObject(Class clazz, Map<String,Object> map){ if(null == map){ return null; } Field[] fields = clazz.getDeclaredFields(); //取到类下所有的属性，也就是变量名 Field field; Object o = null; try { o = clazz.newInstance(); } catch (InstantiationException e1) { e1.printStackTrace(); } catch (IllegalAccessException e1) { e1.printStackTrace(); } for(int i=0; i<fields.length; i++){ field = fields[i]; String fieldName = field.getName(); //把属性的第一个字母处理成大写 String stringLetter=fieldName.substring(0, 1).toUpperCase(); //取得set方法名，比如setBbzt String setterName="set"+stringLetter+fieldName.substring(1); //真正取得set方法。 Method setMethod; Class fieldClass = field.getType(); try { if(isHaveSuchMethod(clazz, setterName)){ if(fieldClass == String.class){ setMethod = clazz.getMethod(setterName, fieldClass); setMethod.invoke(o, String.valueOf(map.get(fieldName)));//为其赋值 }else if(fieldClass == Integer.class || fieldClass == int.class){ setMethod = clazz.getMethod(setterName, fieldClass); setMethod.invoke(o, Integer.parseInt(String.valueOf(map.get(fieldName))));//为其赋值 }else if(fieldClass == Boolean.class || fieldClass == boolean.class){ setMethod = clazz.getMethod(setterName, fieldClass); setMethod.invoke(o, Boolean.getBoolean(String.valueOf(map.get(fieldName))));//为其赋值 }else if(fieldClass == Short.class || fieldClass == short.class){ setMethod = clazz.getMethod(setterName, fieldClass); setMethod.invoke(o, Short.parseShort(String.valueOf(map.get(fieldName))));//为其赋值 }else if(fieldClass == Long.class || fieldClass == long.class){ setMethod = clazz.getMethod(setterName, fieldClass); setMethod.invoke(o, Long.parseLong(String.valueOf(map.get(fieldName))));//为其赋值 }else if(fieldClass == Double.class || fieldClass == double.class){ setMethod = clazz.getMethod(setterName, fieldClass); setMethod.invoke(o, Double.parseDouble(String.valueOf(map.get(fieldName))));//为其赋值 }else if(fieldClass == Float.class || fieldClass == float.class){ setMethod = clazz.getMethod(setterName, fieldClass); setMethod.invoke(o, Float.parseFloat(String.valueOf(map.get(fieldName))));//为其赋值 }else if(fieldClass == BigInteger.class ){ setMethod = clazz.getMethod(setterName, fieldClass); setMethod.invoke(o, BigInteger.valueOf(Long.parseLong(String.valueOf(map.get(fieldName)))));//为其赋值 }else if(fieldClass == BigDecimal.class){ setMethod = clazz.getMethod(setterName, fieldClass); setMethod.invoke(o, BigDecimal.valueOf(Long.parseLong(String.valueOf(map.get(fieldName)))));//为其赋值 }else if(fieldClass == Date.class){ setMethod = clazz.getMethod(setterName, fieldClass); if(map.get(fieldName).getClass() == java.sql.Date.class){ setMethod.invoke(o, new Date(((java.sql.Date)map.get(fieldName)).getTime()));//为其赋值 }else if(map.get(fieldName).getClass() == java.sql.Time.class){ setMethod.invoke(o, new Date(((java.sql.Time)map.get(fieldName)).getTime()));//为其赋值 }else if(map.get(fieldName).getClass() == java.sql.Timestamp.class){ setMethod.invoke(o, new Date(((java.sql.Timestamp)map.get(fieldName)).getTime()));//为其赋值 } } } } catch (SecurityException e) { e.printStackTrace(); } catch (NoSuchMethodException e) { e.printStackTrace(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (InvocationTargetException e) { e.printStackTrace(); } } return o; } /** * 将Map对象通过反射机制转换成Bean对象 * * @param map 存放数据的map对象 * @param clazz 待转换的class * @return 转换后的Bean对象 * @throws Exception 异常 */ public static Object mapToBean(Map<String, Object> map, Class<?> clazz) throws Exception { Object obj = clazz.newInstance(); if(map != null && map.size() > 0) { for(Map.Entry<String, Object> entry : map.entrySet()) { String propertyName = entry.getKey(); //属性名 Object value = entry.getValue(); String setMethodName = "set" + propertyName.substring(0, 1).toUpperCase() + propertyName.substring(1); Field field = getClassField(clazz, propertyName); if(field==null) continue; Class<?> fieldTypeClass = field.getType(); value = convertValType(value, fieldTypeClass); try{ clazz.getMethod(setMethodName, field.getType()).invoke(obj, value); }catch(NoSuchMethodException e){ e.printStackTrace(); } } } return obj; } /** * 获取指定字段名称查找在class中的对应的Field对象(包括查找父类) * * @param clazz 指定的class * @param fieldName 字段名称 * @return Field对象 */ private static Field getClassField(Class<?> clazz, String fieldName) { if( Object.class.getName().equals(clazz.getName())) { return null; } Field []declaredFields = clazz.getDeclaredFields(); for (Field field : declaredFields) { if (field.getName().equals(fieldName)) { return field; } } Class<?> superClass = clazz.getSuperclass(); if(superClass != null) {// 简单的递归一下 return getClassField(superClass, fieldName); } return null; } /** * 将Object类型的值，转换成bean对象属性里对应的类型值 * * @param value Object对象值 * @param fieldTypeClass 属性的类型