basic-arithmetic.jsp
上传用户:bj_pst
上传日期:2019-07-07
资源大小:7353k
文件大小:2k
- <!--
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You under the Apache License, Version 2.0
- (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
- http://www.apache.org/licenses/LICENSE-2.0
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- -->
- <html>
- <head>
- <title>JSP 2.0 Expression Language - Basic Arithmetic</title>
- </head>
- <body>
- <h1>JSP 2.0 Expression Language - Basic Arithmetic</h1>
- <hr>
- This example illustrates basic Expression Language arithmetic.
- Addition (+), subtraction (-), multiplication (*), division (/ or div),
- and modulus (% or mod) are all supported. Error conditions, like
- division by zero, are handled gracefully.
- <br>
- <blockquote>
- <code>
- <table border="1">
- <thead>
- <td><b>EL Expression</b></td>
- <td><b>Result</b></td>
- </thead>
- <tr>
- <td>${1}</td>
- <td>${1}</td>
- </tr>
- <tr>
- <td>${1 + 2}</td>
- <td>${1 + 2}</td>
- </tr>
- <tr>
- <td>${1.2 + 2.3}</td>
- <td>${1.2 + 2.3}</td>
- </tr>
- <tr>
- <td>${1.2E4 + 1.4}</td>
- <td>${1.2E4 + 1.4}</td>
- </tr>
- <tr>
- <td>${-4 - 2}</td>
- <td>${-4 - 2}</td>
- </tr>
- <tr>
- <td>${21 * 2}</td>
- <td>${21 * 2}</td>
- </tr>
- <tr>
- <td>${3/4}</td>
- <td>${3/4}</td>
- </tr>
- <tr>
- <td>${3 div 4}</td>
- <td>${3 div 4}</td>
- </tr>
- <tr>
- <td>${3/0}</td>
- <td>${3/0}</td>
- </tr>
- <tr>
- <td>${10%4}</td>
- <td>${10%4}</td>
- </tr>
- <tr>
- <td>${10 mod 4}</td>
- <td>${10 mod 4}</td>
- </tr>
- <tr>
- <td>${(1==2) ? 3 : 4}</td>
- <td>${(1==2) ? 3 : 4}</td>
- </tr>
- </table>
- </code>
- </blockquote>
- </body>
- </html>