先定义数据类型
package com.whereta.common;/** * Created by vincent on 15-9-24. */public enum JavaBasicTypeEnum { STRING(String.class), INTEGER(Integer.class), BOOLEAN(Boolean.class), BYTE(Byte.class), LONG(Long.class), SHORT(Short.class), FLOAT(Float.class), DOUBLE(Double.class), CHAR(Character.class); private Class sClass; JavaBasicTypeEnum(Class sClass) { this.sClass = sClass; } protected static boolean isBasicType(Class sClass) { for (JavaBasicTypeEnum en : JavaBasicTypeEnum.values()) { Class aClass = en.getsClass(); if (aClass.equals(sClass)) { return true; } } return false; } public Class getsClass() { return sClass; } public void setsClass(Class sClass) { this.sClass = sClass; }}数据类型判断
package com.whereta.common;import java.util.*;/** * Created by vincent on 15-9-24. */public class JavaTypeUtils { /** * 判断是否是基本类型 * @param obj 输入对象 * @return */ public static boolean isBasicType(Object obj){ boolean isBasicType = JavaBasicTypeEnum.isBasicType(obj.getClass()); return isBasicType; } /** * 判断是否是数组 * @param obj * @return */ public static boolean isArray(Object obj){ return obj.getClass().isArray(); } /** * 判断是否是集合 * @param obj * @return */ public static boolean isCollection(Object obj){ Set<Class> classSet = getAllExtendAndImplementsClass(obj.getClass()); for(Class c:classSet){ if(c.equals(Collection.class)){ return true; } } return false; } private static Set<Class> getAllExtendAndImplementsClass(Class c){ Set<Class> classSet=new HashSet<Class>(); //获取接口 Class[] interfaces = c.getInterfaces(); if(interfaces!=null) { classSet.addAll(Arrays.asList(interfaces)); for(Class in:interfaces){ classSet.addAll(getAllExtendAndImplementsClass(in)); } } //获取父类 Class superclass = c.getSuperclass(); if(superclass!=null) { classSet.add(superclass); classSet.addAll(getAllExtendAndImplementsClass(superclass)); } return classSet; } /** * 判断是否是list * @param obj * @return */ public static boolean isList(Object obj){ Set<Class> classSet = getAllExtendAndImplementsClass(obj.getClass()); for(Class c:classSet){ if(c.equals(List.class)){ return true; } } return false; } /** * 判断是否是map * @param obj * @return */ public static boolean isMap(Object obj){ Set<Class> classSet = getAllExtendAndImplementsClass(obj.getClass()); for(Class c:classSet){ if(c.equals(Map.class)){ return true; } } return false; }}数据处理
package com.whereta.common;import org.apache.commons.lang3.StringEscapeUtils;import java.lang.reflect.Field;import java.util.*;/** * Created by vincent on 15-9-24. */public class HtmlObjUtil { /** * 将页面提交的数据字符串进行替换,防止出现页面混乱 * @param param * @return * @throws IllegalAccessException */ public static Object replaceStringHtml(Object param) throws IllegalAccessException { if (param != null) { if (JavaTypeUtils.isBasicType(param)) { if (param.getClass().equals(JavaBasicTypeEnum.STRING.getsClass())) { return StringEscapeUtils.escapeHtml4(param.toString()); } return param; } if (JavaTypeUtils.isArray(param)) { Object[] objectArray = (Object[]) param; for (int i = 0; i < objectArray.length; i++) { Object object = objectArray[i]; if(object==null){ continue; } objectArray[i] = replaceStringHtml(object); } return objectArray; } if (JavaTypeUtils.isCollection(param)) { Collection collection = (Collection) param; Collection replaceCollection = new ArrayList(); Iterator iterator = collection.iterator(); while (iterator.hasNext()){ Object nextObj = iterator.next(); if(nextObj==null){ continue; } Object o = replaceStringHtml(nextObj); iterator.remove(); replaceCollection.add(o); } collection.addAll(replaceCollection); return collection; } if (JavaTypeUtils.isMap(param)) { Map map = (Map) param; Set set = map.keySet(); for (Object obj : set) { Object mapValue = map.get(obj); if(mapValue==null){ continue; } Object o = replaceStringHtml(mapValue); map.put(obj, o); } return map; } Field[] declaredFields = param.getClass().getDeclaredFields(); for (Field field : declaredFields) { field.setAccessible(true); int modifiers = field.getModifiers(); if(modifiers>=24){ continue; } Object o = field.get(param); if(o==null){ continue; } Object replaceObj = replaceStringHtml(o); if (replaceObj.getClass().equals(JavaBasicTypeEnum.LONG.getsClass())) { field.setLong(param, (Long) (replaceObj)); } else if (replaceObj.getClass().equals(JavaBasicTypeEnum.BOOLEAN.getsClass())) { field.setBoolean(param, (Boolean) replaceObj); } else if (replaceObj.getClass().equals(JavaBasicTypeEnum.BYTE.getsClass())) { field.setByte(param, (Byte) replaceObj); } else if (replaceObj.getClass().equals(JavaBasicTypeEnum.CHAR.getsClass())) { field.setChar(param, (Character) replaceObj); } else if (replaceObj.getClass().equals(JavaBasicTypeEnum.DOUBLE.getsClass())) { field.setDouble(param, (Double) replaceObj); } else if (replaceObj.getClass().equals(JavaBasicTypeEnum.FLOAT.getsClass())) { field.setFloat(param, (Float) replaceObj); } else if (replaceObj.getClass().equals(JavaBasicTypeEnum.INTEGER.getsClass())) { field.setInt(param, (Integer) replaceObj); } else if (replaceObj.getClass().equals(JavaBasicTypeEnum.SHORT.getsClass())) { field.setShort(param, (Short) replaceObj); } else { field.set(param, replaceObj); } } return param; } return param; }} 通过递归，不断寻找字符串类型的数据转义
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git地址：https://git.oschina.net/junyue/JavaUtils
