java字符串反射转换对象

业务对象类

import java.io.Serializable;

public class Question implements Serializable {

private static final long serialVersionUID = 1L;

private String seq;

private String question;

private String ans;

public String getAns() {
return ans;
}

public void setAns(String ans) {
this.ans = ans;
}

public String getSeq() {
return seq;
}

public void setSeq(String seq) {
this.seq = seq;
}

public String getQuestion() {
return question;
}

public void setQuestion(String question) {
this.question = question;
}
}


对象装换测试类(变量名很草哦)

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class RefTest {

public static void main(String[] args) throws Exception {
String[] sr = new String[]{"序号#seq,问题#question,答案#ans","1,问题1,abc","2,问题2,def"};
List<Question> ql = buildT(Question.class, sr);
System.err.println();
}

public static <T> List<T> buildT(Class clazz, String[] sr) throws Exception {
List<T> list = new ArrayList<T>();
String[] sa = sr[0].split(",");
String s = null;
Map<Integer, String> map = new HashMap<Integer, String>();
for(int i = 0, len = sa.length; i < len; i++){
s = sa[i];
String[] _sa = s.split("#", 2);
map.put(i, _sa[1]);
}
for(int i = 1, len = sr.length; i < len; i++){
s = sr[i];
String[] _sa = s.split(",");
T t = (T) clazz.newInstance();

for(int j = 0; j < _sa.length; j++){
Field fi = clazz.getDeclaredField(map.get(j));
fi.setAccessible(true);
fi.set(t, _sa[j]);
}
list.add(t);
}
return list;
}
}
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