原文链接: http://www.yiidian.com/fastjson/fastjson-json-javabean.html
package com.yiidian.domain; /** * 一点教程网 - http://www.yiidian.com */ public class Student { private String studentName; private Integer studentAge; public Student() { } public Student(String studentName, Integer studentAge) { this.studentName = studentName; this.studentAge = studentAge; } public String getStudentName() { return studentName; } public void setStudentName(String studentName) { this.studentName = studentName; } public Integer getStudentAge() { return studentAge; } public void setStudentAge(Integer studentAge) { this.studentAge = studentAge; } @Override public String toString() { return "Student{" + "studentName='" + studentName + '/'' + ", studentAge=" + studentAge + '}'; } }
MainApp:
package com.yiidian.fastjson; import com.alibaba.fastjson.JSONObject; import com.yiidian.domain.Student; /** * 一点教程网 - http://www.yiidian.com */ public class MainApp { public static void main(String args[]){ String JSON_OBJ_STR = "{/"studentName/":/"lily/",/"studentAge/":12}"; Student student = JSONObject.parseObject(JSON_OBJ_STR, Student.class); System.out.println(student); } }
运行效果为:
Student{studentName='lily', studentAge=12}
MainApp:
package com.yiidian.fastjson; import com.alibaba.fastjson.JSONObject; import com.yiidian.domain.Student; /** * 一点教程网 - http://www.yiidian.com */ public class MainApp { public static void main(String args[]){ Student student = new Student("lily", 12); String jsonString = JSONObject.toJSONString(student); System.out.println(jsonString); } }
运行效果为:
{"studentAge":12,"studentName":"lily"}
MainApp:
package com.yiidian.fastjson; import com.alibaba.fastjson.JSONArray; import com.yiidian.domain.Student; import java.util.List; /** * 一点教程网 - http://www.yiidian.com */ public class MainApp { public static void main(String args[]){ String JSON_ARRAY_STR = "[{/"studentName/":/"lily/",/"studentAge/":12},{/"studentName/":/"lucy/",/"studentAge/":15}]"; List<Student> studentList = JSONArray.parseArray(JSON_ARRAY_STR, Student.class); System.out.println("studentList: " + studentList); } }
运行结果为:
studentList: [Student{studentName='lily', studentAge=12}, Student{studentName='lucy', studentAge=15}]
MainApp:
package com.yiidian.fastjson; import com.alibaba.fastjson.JSONArray; import com.yiidian.domain.Student; import java.util.ArrayList; import java.util.List; /** * 一点教程网 - http://www.yiidian.com */ public class MainApp { public static void main(String args[]){ Student student = new Student("lily", 12); Student studenttwo = new Student("lucy", 15); List<Student> students = new ArrayList<Student>(); students.add(student); students.add(studenttwo); String jsonString = JSONArray.toJSONString(students); System.out.println(jsonString); } }
运行效果为:
[{"studentAge":12,"studentName":"lily"},{"studentAge":15,"studentName":"lucy"}]
package com.yiidian.domain; import java.util.List; /** * 一点教程网 - http://www.yiidian.com */ public class Course { private String courseName; private String code; public String getCourseName() { return courseName; } public void setCourseName(String courseName) { this.courseName = courseName; } public String getCode() { return code; } public void setCode(String code) { this.code = code; } @Override public String toString() { return "Course{" + "courseName='" + courseName + '/'' + ", code='" + code + '/'' + '}'; } }
package com.yiidian.domain; import java.util.List; /** * 一点教程网 - http://www.yiidian.com */ public class Teacher { private String teacherName; private Integer teacherAge; private Course course; private List<Student> students; public String getTeacherName() { return teacherName; } public void setTeacherName(String teacherName) { this.teacherName = teacherName; } public Integer getTeacherAge() { return teacherAge; } public void setTeacherAge(Integer teacherAge) { this.teacherAge = teacherAge; } public Course getCourse() { return course; } public void setCourse(Course course) { this.course = course; } public List<Student> getStudents() { return students; } public void setStudents(List<Student> students) { this.students = students; } @Override public String toString() { return "Teacher{" + "teacherName='" + teacherName + '/'' + ", teacherAge=" + teacherAge + ", course=" + course + ", students=" + students + '}'; } }
MainApp:
package com.yiidian.fastjson; import com.alibaba.fastjson.JSONArray; import com.alibaba.fastjson.JSONObject; import com.yiidian.domain.Student; import com.yiidian.domain.Teacher; import java.util.ArrayList; import java.util.List; /** * 一点教程网 - http://www.yiidian.com */ public class MainApp { public static void main(String args[]){ String COMPLEX_JSON_STR = "{/"teacherName/":/"crystall/",/"teacherAge/":27,/"course/":{/"courseName/":/"english/",/"code/":1270},/"students/":[{/"studentName/":/"lily/",/"studentAge/":12},{/"studentName/":/"lucy/",/"studentAge/":15}]}"; Teacher teacher = JSONObject.parseObject(COMPLEX_JSON_STR, Teacher.class); System.out.println(teacher); } }
运行效果为:
Teacher{teacherName='crystall', teacherAge=27, course=Course{courseName='english', code='1270'}, students=[Student{studentName='lily', studentAge=12}, Student{studentName='lucy', studentAge=15}]}
MainApp:
package com.yiidian.fastjson; import com.alibaba.fastjson.JSONObject; import com.yiidian.domain.Teacher; /** * 一点教程网 - http://www.yiidian.com */ public class MainApp { public static void main(String args[]){ String COMPLEX_JSON_STR = "{/"teacherName/":/"crystall/",/"teacherAge/":27,/"course/":{/"courseName/":/"english/",/"code/":1270},/"students/":[{/"studentName/":/"lily/",/"studentAge/":12},{/"studentName/":/"lucy/",/"studentAge/":15}]}"; Teacher teacher = JSONObject.parseObject(COMPLEX_JSON_STR, Teacher.class); String jsonString = JSONObject.toJSONString(teacher); System.out.println(jsonString); } }
运行效果为:
{"course":{"code":"1270","courseName":"english"},"students":[{"studentAge":12,"studentName":"lily"},{"studentAge":15,"studentName":"lucy"}],"teacherAge":27,"teacherName":"crystall"}
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