From 0834f0d403e027616cacffaa7829e1c866942c7d Mon Sep 17 00:00:00 2001 From: "Yang.he" <”yang.he@homepartners.tech“> Date: Tue, 14 Mar 2023 21:45:36 +0800 Subject: [PATCH 1/4] - [x] done --- pom.xml | 2 +- .../github/hcsp/encapsulation/Student.java | 34 +++++++++++++++++++ .../com/github/hcsp/encapsulation/Main.java | 8 +++-- 3 files changed, 41 insertions(+), 3 deletions(-) rename src/{main => test}/java/com/github/hcsp/encapsulation/Main.java (78%) diff --git a/pom.xml b/pom.xml index c20b489..38d6c9d 100644 --- a/pom.xml +++ b/pom.xml @@ -55,7 +55,7 @@ com.alibaba fastjson - 1.2.58 + 1.2.67_noneautotype2 test diff --git a/src/main/java/com/github/hcsp/encapsulation/Student.java b/src/main/java/com/github/hcsp/encapsulation/Student.java index 85d2f55..1ad7b74 100644 --- a/src/main/java/com/github/hcsp/encapsulation/Student.java +++ b/src/main/java/com/github/hcsp/encapsulation/Student.java @@ -8,6 +8,40 @@ public class Student { /** 是否重考。true为重考，falase为非重考。 */ private boolean retakingExam; + public boolean isFail() { + return fail; + } + + public void setFail(boolean fail) { + this.fail = fail; + } + + private boolean fail; + /** 分数 */ private int score; + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public boolean isRetakingExam() { + return retakingExam; + } + + public void setRetakingExam(boolean retakingExam) { + this.retakingExam = retakingExam; + } + + public int getScore() { + return score; + } + + public void setScore(int score) { + this.score = score; + } } diff --git a/src/main/java/com/github/hcsp/encapsulation/Main.java b/src/test/java/com/github/hcsp/encapsulation/Main.java similarity index 78% rename from src/main/java/com/github/hcsp/encapsulation/Main.java rename to src/test/java/com/github/hcsp/encapsulation/Main.java index 51ce4a1..db8a942 100644 --- a/src/main/java/com/github/hcsp/encapsulation/Main.java +++ b/src/test/java/com/github/hcsp/encapsulation/Main.java @@ -26,7 +26,11 @@ public static void main(String[] args) { student = deserialize(json); } // 序列化：将Student类转换成JSON字符串 - public static String serialize(Student student) {} + public static String serialize(Student student) { + return com.alibaba.fastjson.JSON.toJSONString(student); + } // 反序列化：将JSON字符串转换成Student对象 - public static Student deserialize(String json) {} + public static Student deserialize(String json) { + return com.alibaba.fastjson.JSON.parseObject(json, Student.class); + } } From 42134e40d39dcde0d6bd66a5fc3955e2de89e4b4 Mon Sep 17 00:00:00 2001 From: "Yang.he" <”yang.he@homepartners.tech“> Date: Wed, 15 Mar 2023 20:12:38 +0800 Subject: [PATCH 2/4] - [x] done --- pom.xml | 7 ++- .../com/github/hcsp/encapsulation/Main.java | 44 +++++++++++++++++++ .../github/hcsp/encapsulation/Student.java | 7 +-- .../com/github/hcsp/encapsulation/Main.java | 9 +++- 4 files changed, 58 insertions(+), 9 deletions(-) create mode 100644 src/main/java/com/github/hcsp/encapsulation/Main.java diff --git a/pom.xml b/pom.xml index 38d6c9d..5f64ed4 100644 --- a/pom.xml +++ b/pom.xml @@ -55,9 +55,14 @@ com.alibaba fastjson - 1.2.67_noneautotype2 + 1.2.58 test + + com.google.code.gson + gson + 2.9.0 + org.junit.jupiter junit-jupiter-api diff --git a/src/main/java/com/github/hcsp/encapsulation/Main.java b/src/main/java/com/github/hcsp/encapsulation/Main.java new file mode 100644 index 0000000..28bb29f --- /dev/null +++ b/src/main/java/com/github/hcsp/encapsulation/Main.java @@ -0,0 +1,44 @@ +package com.github.hcsp.encapsulation; + +import com.google.gson.Gson; + +import java.lang.reflect.Type; + +public class Main { + /* + 假设你正在为学校开发一个学生分数记录系统 + 你和前端约定的JSON接口格式是： + { + "name": "张三", + "retakingExam": true, + "score": 59, + "fail": true // 是否挂科，如果分数低于60则返回true，代表挂科 + } + 请： + 1. 设计并完成Student类 + 2. 挑选一种你喜欢的JSON类库，完成序列化/反序列化的方法 + */ + public static void main(String[] args) { + Student student = new Student(); + student.setName("张三"); + student.setScore(60); + student.setRetakingExam(true); + String json = serialize(student); + + System.out.println(json); + + student = deserialize(json); + } + + // 序列化：将Student类转换成JSON字符串 + public static String serialize(Student student) { + Gson gson = new Gson(); + return gson.toJson(student); + } + + // 反序列化：将JSON字符串转换成Student对象 + public static Student deserialize(String json) { + Gson gson = new Gson(); + return gson.fromJson(json, Student.class); + } +} diff --git a/src/main/java/com/github/hcsp/encapsulation/Student.java b/src/main/java/com/github/hcsp/encapsulation/Student.java index 1ad7b74..92087e2 100644 --- a/src/main/java/com/github/hcsp/encapsulation/Student.java +++ b/src/main/java/com/github/hcsp/encapsulation/Student.java @@ -9,14 +9,9 @@ public class Student { private boolean retakingExam; public boolean isFail() { - return fail; + return score < 60; } - public void setFail(boolean fail) { - this.fail = fail; - } - - private boolean fail; /** 分数 */ private int score; diff --git a/src/test/java/com/github/hcsp/encapsulation/Main.java b/src/test/java/com/github/hcsp/encapsulation/Main.java index db8a942..3a9d51c 100644 --- a/src/test/java/com/github/hcsp/encapsulation/Main.java +++ b/src/test/java/com/github/hcsp/encapsulation/Main.java @@ -1,5 +1,7 @@ package com.github.hcsp.encapsulation; +import com.google.gson.Gson; + public class Main { /* 假设你正在为学校开发一个学生分数记录系统 @@ -27,10 +29,13 @@ public static void main(String[] args) { } // 序列化：将Student类转换成JSON字符串 public static String serialize(Student student) { - return com.alibaba.fastjson.JSON.toJSONString(student); + Gson gson = new Gson(); + return gson.toJson(student); } + // 反序列化：将JSON字符串转换成Student对象 public static Student deserialize(String json) { - return com.alibaba.fastjson.JSON.parseObject(json, Student.class); + Gson gson = new Gson(); + return gson.fromJson(json, Student.class); } } From e2494136f32b32a35df673590d79c832eb23b849 Mon Sep 17 00:00:00 2001 From: "Yang.he" <”yang.he@homepartners.tech“> Date: Wed, 15 Mar 2023 20:14:36 +0800 Subject: [PATCH 3/4] - [x] done --- src/main/java/com/github/hcsp/encapsulation/Main.java | 2 -- 1 file changed, 2 deletions(-) diff --git a/src/main/java/com/github/hcsp/encapsulation/Main.java b/src/main/java/com/github/hcsp/encapsulation/Main.java index 28bb29f..c08562e 100644 --- a/src/main/java/com/github/hcsp/encapsulation/Main.java +++ b/src/main/java/com/github/hcsp/encapsulation/Main.java @@ -2,8 +2,6 @@ import com.google.gson.Gson; -import java.lang.reflect.Type; - public class Main { /* 假设你正在为学校开发一个学生分数记录系统 From da46cb10f5bae178f278ce48ba1ce0186a48b30d Mon Sep 17 00:00:00 2001 From: "Yang.he" <”yang.he@homepartners.tech“> Date: Wed, 15 Mar 2023 20:19:15 +0800 Subject: [PATCH 4/4] - [x] done end --- src/test/java/com/github/hcsp/encapsulation/Main.java | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/src/test/java/com/github/hcsp/encapsulation/Main.java b/src/test/java/com/github/hcsp/encapsulation/Main.java index 3a9d51c..db8a942 100644 --- a/src/test/java/com/github/hcsp/encapsulation/Main.java +++ b/src/test/java/com/github/hcsp/encapsulation/Main.java @@ -1,7 +1,5 @@ package com.github.hcsp.encapsulation; -import com.google.gson.Gson; - public class Main { /* 假设你正在为学校开发一个学生分数记录系统 @@ -29,13 +27,10 @@ public static void main(String[] args) { } // 序列化：将Student类转换成JSON字符串 public static String serialize(Student student) { - Gson gson = new Gson(); - return gson.toJson(student); + return com.alibaba.fastjson.JSON.toJSONString(student); } - // 反序列化：将JSON字符串转换成Student对象 public static Student deserialize(String json) { - Gson gson = new Gson(); - return gson.fromJson(json, Student.class); + return com.alibaba.fastjson.JSON.parseObject(json, Student.class); } }