In this example, we will demonstrate how to pass a value from a JSP page to a servlet, and how encoding issues can cause characters to appear as乱码 (random characters).

First, let's create a simple JSP page to send a value to the servlet:

jsp向servlet传值英文乱码实例，JSPtoServletValueEncodingExamplewithEncodingIssues 第1张

```jsp

<%@ page contentType="