java反照应用1

java反射应用1
项目中需求是这样的。

if(modifyContent.getModifyOject().equals("EnterpriseInfo")){Field efiledName =enterpriseInfo.getClass().getDeclaredField(modifyContent.getItemCode());String setName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1);   //System.out.println(mf.getModifyContent().getClass());//System.out.println(efiledName.getType());Class cla = efiledName.getType();Class[] paraTypes = new Class[1];paraTypes[0]=String.class;Constructor constructor = cla.getConstructor(paraTypes);Object[] paraLists = new Object[1];paraLists[0]=modifyContent.getModifyContent();Object obj = new Object();if(cla.newInstance() instanceof Date ){SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");obj = dateFormat.parse(modifyContent.getModifyContent());}else{obj = constructor.newInstance(paraLists);} Method setMethod =enterpriseInfo.getClass().getMethod(setName, new Class[]{efiledName.getType()}); setMethod.invoke(enterpriseInfo,new Object[]{obj}); }

else if(modifyContent.getModifyOject().equals("ManagInfo")){if(modifyContent.getManagerType().equals("1")){//企业法人if(modifyContent.getItemCode().equals("managName")){//构建set方法名 String setMethodName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1); this.doMethod(setMethodName, modifyContent);}else if(modifyContent.getItemCode().equals("managType")){String setMethodName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1); this.doMethod(setMethodName, modifyContent);}else if(modifyContent.getItemCode().equals("managId")){String setMethodName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1); this.doMethod(setMethodName, modifyContent);}else if(modifyContent.getItemCode().equals("managNat")){String setMethodName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1); this.doMethod(setMethodName, modifyContent);}else if(modifyContent.getItemCode().equals("managTitle")){String setMethodName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1); this.doMethod(setMethodName, modifyContent);}else if(modifyContent.getItemCode().equals("managBir")){String setMethodName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1); this.doMethod(setMethodName, modifyContent);}else if(modifyContent.getItemCode().equals("managDegree")){String setMethodName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1); this.doMethod(setMethodName, modifyContent);}else if(modifyContent.getItemCode().equals("managAddr")){String setMethodName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1); this.doMethod(setMethodName, modifyContent);}else if(modifyContent.getItemCode().equals("managTelBp")){String setMethodName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1); this.doMethod(setMethodName, modifyContent);}else if(modifyContent.getItemCode().equals("managNote")){String setMethodName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1); this.doMethod(setMethodName, modifyContent);}}}

/**  * 方法描述：  * @return: void  * @version: 1.0  * @author: LUYD  * @version: Jul 1, 2011 4:58:50 PM */public void doMethod(String setMethod, ModifyContent modifyContent) throws Exception{Field mfiledName =ManagInfo.class.getDeclaredField(modifyContent.getItemCode());//构建set方法名 //String setName="set"+modifyContent.getItemCode().substring(0, 1).toUpperCase()+modifyContent.getItemCode().substring(1);   Class cla = mfiledName.getType();Class[] paraTypes = new Class[1];paraTypes[0]=String.class;Constructor constructor = cla.getConstructor(paraTypes);Object[] paraLists = new Object[1];paraLists[0]=modifyContent.getModifyContent();Object obj = new Object();if(cla.newInstance() instanceof Date ){SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");obj = dateFormat.parse(modifyContent.getModifyContent());}else{obj = constructor.newInstance(paraLists);} Method method =managInfoPoJo.getClass().getMethod(setMethod, new Class[]{mfiledName.getType()}); method.invoke(managInfoPoJo,new Object[]{obj}); }