java反射机制查找类的属性并赋值

package com.test.flect;
public class TbFilterLevel {
    private Long id;
    private Long itemId;
    private String value1;
    private String value2;
    private String value3;
    private String value4;
    private String value5;
    private String value6;
    private String value7;
    private String value8;
    private String value9;
    private String value10;
    private String value11;
    private String value12;
    private String value13;
    private String value14;
    private String value15;
    public Long getId() {
        return id;
    }
    public void setId(Long id) {
        this.id = id;
    }
    public Long getItemId() {
        return itemId;
    }
    public void setItemId(Long itemId) {
        this.itemId = itemId;
    }
    public String getValue1() {
        return value1;
    }
    public void setValue1(String value1) {
        this.value1 = value1 == null ? null : value1.trim();
    }
    public String getValue2() {
        return value2;
    }
    public void setValue2(String value2) {
        this.value2 = value2 == null ? null : value2.trim();
    }
    public String getValue3() {
        return value3;
    }
    public void setValue3(String value3) {
        this.value3 = value3 == null ? null : value3.trim();
    }
    public String getValue4() {
        return value4;
    }
    public void setValue4(String value4) {
        this.value4 = value4 == null ? null : value4.trim();
    }
    public String getValue5() {
        return value5;
    }
    public void setValue5(String value5) {
        this.value5 = value5 == null ? null : value5.trim();
    }
    public String getValue6() {
        return value6;
    }
    public void setValue6(String value6) {
        this.value6 = value6 == null ? null : value6.trim();
    }
    public String getValue7() {
        return value7;
    }
    public void setValue7(String value7) {
        this.value7 = value7 == null ? null : value7.trim();
    }
    public String getValue8() {
        return value8;
    }
    public void setValue8(String value8) {
        this.value8 = value8 == null ? null : value8.trim();
    }
    public String getValue9() {
        return value9;
    }
    public void setValue9(String value9) {
        this.value9 = value9 == null ? null : value9.trim();
    }
    public String getValue10() {
        return value10;
    }
    public void setValue10(String value10) {
        this.value10 = value10 == null ? null : value10.trim();
    }
    public String getValue11() {
        return value11;
    }
    public void setValue11(String value11) {
        this.value11 = value11 == null ? null : value11.trim();
    }
    public String getValue12() {
        return value12;
    }
    public void setValue12(String value12) {
        this.value12 = value12 == null ? null : value12.trim();
    }
    public String getValue13() {
        return value13;
    }
    public void setValue13(String value13) {
        this.value13 = value13 == null ? null : value13.trim();
    }
    public void setValue14(String value14) {
        this.value14 = value14 == null ? null : value14.trim();
    }
    public String getValue14() {
     return value14;
    }
    public String getValue15() {
        return value15;
    }
    public void setValue15(String value15) {
        this.value15 = value15 == null ? null : value15.trim();
    }
}

private  void testReflect(Object model,List<?> list) throws SecurityException,
    NoSuchMethodException, IllegalArgumentException,
    IllegalAccessException, InvocationTargetException, InstantiationException{
   // 获取实体类的所有属性，返回Field数组
   Field[] field = model.getClass().getDeclaredFields();
   // 获取属性的名字
   String[] modelName = new String[field.length];
   String[] modelType = new String[field.length];
   for (int i = 0; i < field.length; i++){
      // 获取属性的名字
  String name = field[i].getName();
  modelName[i] = name;
  // 获取属性类型
  String type = field[i].getGenericType().toString();
  modelType[i] = type;       
  //关键。。。可访问私有变量
  field[i].setAccessible(true);
  // 将属性的首字母大写
  name = name.replaceFirst(name.substring(0, 1), name.substring(0, 1)
      .toUpperCase()); 
    if (type.equals("class java.lang.String")){ //我只需要String类型的赋值，所以只加了String类型的约束，其他的可以自己加，吧String换成别的类即可
      // 如果type是类类型，则前面包含"class "，后面跟类名
      Method m = model.getClass().getMethod("get" + name);
      // 调用getter方法获取属性值
      String value = (String) m.invoke(model);
      String str=null;
      if (value == null){
        m = model.getClass().getMethod("set"+name,String.class);          
       if(list.size()>i-2&&list.size()<field.length-2){//我的String类型的属性是15个，所以这个集合长度这么约束的，这样不会有多余的值，其他长度请自己处理 
        m.invoke(model, list.get(i-2));          
       }else if(i-2==list.size()){
        m = model.getClass().getMethod("set"+name,String.class);
        m.invoke(model, str);          
       }else{
        break;
       }
      }
    }
  }
}