試題詳解

73 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＞

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