Click the Exhibit button.
Given the HTML form:
1. <html>
2. <body>
3. <form action="submit.jsp">
4. Name: <input type="text" name="i1"><br>
5. Price: <input type="text" name="i2"><br>
6. <input type="submit">
7. </form>
8. </body>
9. </html>
Assume the product attribute does NOT yet exist in any scope. Which code snippet, in submit.jsp, instantiates
an instance of com.example.Product that contains the results of the form submission?
A. <jsp:useBean id="com.example.Product" />
<jsp:setProperty name="product" property="*" />
B. <jsp:useBean id="product" class="com.example.Product" />
${product.name = param.i1}
${product.price = param.i2}
C. <jsp:useBean id="product" class="com.example.Product">
<jsp:setProperty name="product" property="name" param="i1" />
<jsp:setProperty name="product" property="price" param="i2" />
</jsp:useBean>
D. <jsp:useBean id="product" type="com.example.Product">
<jsp:setProperty name="product" property="name" value="<%= request.getParameter( "i1" ) %>" />
<jsp:setProperty name="product" property="price" value="<%= request.getParameter( "i2" ) %>" />
</jsp:useBean>
Correct Answer: C
發表文章
沒有留言:
張貼留言