Class ClazzDiff

boot/src/main/java/com/utils/ClazzDiff.java:17–190

对象比较

 * 对象比较
 */
public class ClazzDiff {


    /**
     * 对象比较,返回出list,obj1的属性值为空的时候自动忽略比对obj2的属性值
     * @param obj1 对象1
     * @param obj2 对象2
     * @param ignoreProperties 忽略的属性
     * @return
     */
    public  List<String> ClazzDiffColumn(Object obj1, Object obj2, @Nullable String... ignoreProperties) throws NoSuchFieldException, IllegalAccessException {

        Assert.notNull(obj1, "obj1不是空的");
        Assert.notNull(obj2, "obj2不是空的");


        List<String> list = new ArrayList<>();

        Class<?> obj1Class = obj1.getClass();
        Class<?> obj2Class = obj2.getClass();
        if (!obj1Class.isInstance(obj2)) {
            throw new IllegalArgumentException("传入的两个类不是同一个类");
        }
        List<String> ignoreList = (ignoreProperties != null ? Arrays.asList(ignoreProperties) : null);//要忽略的属性

        /**
         * 当前表
         */
        Field[] obj1DeclaredFields = obj1Class.getDeclaredFields();
        for (Field f : obj1DeclaredFields) {//ojb1的所有字段循环
            f.setAccessible(true);
            Field obj1Field = obj1Class.getDeclaredField(f.getName());
            Field obj2Field = obj2Class.getDeclaredField(f.getName());
            obj1Field.setAccessible(true);
            obj2Field.setAccessible(true);

//            属性1不为空,属性2不为空 如果传入的有ignoreProperties的话,不为空并且不包含
            if (obj1Field.get(obj1) != null &&(ignoreList == null || !ignoreList.contains(obj1Field.getName())) ) {
                ColumnInfo columnInfo = obj1Field.getAnnotation(ColumnInfo.class);
                Object o1 = obj1Field.get(obj1);
                Object o2 = obj2Field.get(obj2);

                if(!String.valueOf(o1).equals(String.valueOf(o2))){
                    if(f.getName().contains("File")){
                        list.add(columnInfo.comment()+"-->现在 : <a type='success' style='text-decoration:none' class='el-button' href='"+o1+"' >文件下载</a>,原先 : <a type='success' style='text-decoration:none' class='el-button' href='"+o2+"' >文件下载</a>");
                    }else if(f.getName().contains("Video")){
                        list.add(columnInfo.comment()+"-->现在 : <video src='"+o1+"' width='100px' height='100px' controls='controls'></video>,原先 : <video src='"+o2+"' width='100px' height='100px' controls='controls'></video>");
                    }else if(f.getName().contains("Photo")){
                        list.add(columnInfo.comment()+"-->现在 : <img src='"+o1+"' width='100px' height='100px'>,原先 : <img src='"+o2+"' width='100px' height='100px'>");
                    }else if(f.getName().contains("Time")){
                        list.add(columnInfo.comment()+"-->现在 : ["+ DateUtils.format((Date) o1,"yyyy-MM-dd")+"],原先 : ["+DateUtils.format((Date) o2,"yyyy-MM-dd")+"]");
                    }else{
                        list.add(columnInfo.comment()+"-->现在 : ["+o1+"],原先 : ["+o2+"]");
                    }
                }
            }
        }