用IDEA查看反编译

客官°小女子只卖身不卖艺 2021-07-24 14:21 713阅读 0赞

**目录**

一 找到java编译后的class文件

二 查看编译后的结果

三 将字节码文件拷贝到IDEA中

四 打开这个class文件

--------------------

# **一 找到java编译后的class文件** #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70 1][]

# **二 查看编译后的结果** #

发现是乱码

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70 2][]

# **三 将字节码文件拷贝到IDEA中** #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70 3][]

# **四 打开这个class文件** #

下面这个结果就是IDEA反编译的结果

//
    // Source code recreated from a .class file by IntelliJ IDEA
    // (powered by Fernflower decompiler)
    //
    
    
    public class Employee {
        String name;
        int age;
        String designation;
        double salary;
    
    
        public Employee(String name, int age, String designation, double salary) {
            this.name = name;
            this.age = age;
            this.designation = designation;
            this.salary = salary;
        }
    
    
        public Employee() {
        }
    
    
        public String getName() {
            return this.name;
        }
    
    
        public void setName(String name) {
            this.name = name;
        }
    
    
        public int getAge() {
            return this.age;
        }
    
    
        public void setAge(int age) {
            this.age = age;
        }
    
    
        public String getDesignation() {
            return this.designation;
        }
    
    
        public void setDesignation(String designation) {
            this.designation = designation;
        }
    
    
        public double getSalary() {
            return this.salary;
        }
    
    
        public void setSalary(double salary) {
            this.salary = salary;
        }
    
    
        public void printEmployee() {
            System.out.println("Name:" + this.name);
            System.out.println("Age:" + this.age);
            System.out.println("Designation:" + this.designation);
            System.out.println("Salary:" + this.salary);
        }
    
    
        public String toString() {
            return "Employee{name='" + this.name + '\'' + ", age=" + this.age + ", designation='" + this.designation + '\'' + ", salary=" + this.salary + '}';
        }
    }

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70 1]: /images/20210724/7fd17e71f10d44b6895be54dea142700.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70 2]: /images/20210724/72fe46a5faa24ad1a9dc929462aed384.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70 3]: /images/20210724/afde1a855e8f434d90259337d5c0a2a2.png