Common operations of JSP

Main records commonly used JSP The operation of

• jsp Pass data in

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1、 To transfer data

a.jsp
    <a href="./b.jsp?id=1"> Jump </a>
b.jsp
    <%=request.getParameter("id")%>
 When I get the data , If the data is of string type and is not directly in html It shows that , Need to be in js In the operation , It takes "<%=request.getParameter("id")%>" quotation marks , Otherwise, it will report a mistake 

To be continued