From cbb90a035e7d1516acf3019f4681ff7ab86af3e5 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Mon, 23 Mar 2026 14:23:34 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=9B=E9=98=B6day10-=E4=BD=BF=E7=94=A8FileR?=
 =?UTF-8?q?eader=E8=AF=BB=E5=8F=96=E4=B8=AD=E6=96=87=E4=BA=A7=E7=94=9F?=
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MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 .../com/inmind/transfer_stream02/Demo07.java  | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 javaSE-day10/src/com/inmind/transfer_stream02/Demo07.java

diff --git a/javaSE-day10/src/com/inmind/transfer_stream02/Demo07.java b/javaSE-day10/src/com/inmind/transfer_stream02/Demo07.java
new file mode 100644
index 0000000..45c482e
--- /dev/null
+++ b/javaSE-day10/src/com/inmind/transfer_stream02/Demo07.java
@@ -0,0 +1,29 @@
+package com.inmind.transfer_stream02;
+
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+
+/*
+    使用字符流,读取电脑中的文件数据到java内存,并打印内容
+
+     出现乱码的原因:中文数据在读写操作的前后的编码方式不一致(gbk  utf-8).
+
+     注意：
+        1.UTF-8，字母和数字只占1个字节，而一个中文占3个字节，它的前128个字符完全兼容ASCII码表
+        2.GBK，字母和数字只占1个字节，而一个中文占2个字节，它的前128个字符完全兼容ASCII码表
+
+ */
+public class Demo07 {
+    public static void main(String[] args) throws IOException {
+//        FileReader fr = new FileReader("D:\\io_test\\file_gbk.txt");
+        FileReader fr = new FileReader("D:\\io_test\\file.txt");
+        char[] chars = new char[1024];
+        int len;
+        while ((len = fr.read(chars)) != -1) {
+            System.out.println(new String(chars,0,len));
+        }
+
+        fr.close();
+    }
+}