• Java Writer append()方法

  java io Writer append(CharSequence csq)将指定的字符序列附加到此Writer。1 语法public Writer append(CharSequence csq)2 参数csq

• Java Writer append()方法

  java io Writer append(char c)将指定的字符附加到此Writer。1 语法public Writer append(char c)2 参数c：要追加的16位字符。3 返