字符数组及字符串 是否添加'\0'

<span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">	</span><span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">参照：https://blog.sina.com.cn/s/blog_a2e509c101014wjw.html；并做了简单的归纳。</span><span style="font-family: Arial, Helvetica,