## 类的使用
org.springframework.asm.ClassReader

- 使用ClassReader的程序包
  程序包 | 说明
  --- | ---
  org.springframework.asm | Spring's repackaging of ASM 6.0 (with Spring-specific patches; for internal use only).

- - ### org.springframework.asm中ClassReader的使用

    参数类型为ClassReader的org.springframework.asm中的方法
    限定符和类型 | 方法和说明
    --- | ---
    `protected Attribute` | Attribute.`read(ClassReader cr, int off, int len, char[] buf, int codeOff, Label[] labels)` Reads a `type` attribute.

    参数类型为ClassReader的org.springframework.asm中的构造器
    构造器和说明
    `ClassWriter(ClassReader classReader, int flags)` Constructs a new `ClassWriter` object and enables optimizations for "mostly add" bytecode transformations.