Home > Database > Mysql Tutorial > body text

MySQL数据库中正确实现分页显示的代码示例

WBOY
Release: 2016-06-07 16:11:53
Original
1182 people have browsed it

以下的文章主要描述的是在MySQL数据库中正确实现分页显示的实际应用代码,如以下所示,以下就是对MySQL数据库中正确实现分页显示的实际应用代码的描述,希望在你今后的学习中会对你有所帮助。 publicList Product getProducts(intpageNo,intpageSize) { Conn

以下的文章主要描述的是在MySQL数据库中正确实现分页显示的实际应用代码,如以下所示,以下就是对MySQL数据库中正确实现分页显示的实际应用代码的描述,希望在你今后的学习中会对你有所帮助。

<ol class="dp-xml">
<li class="alt"><span><span>public List</span><span class="tag"><span class="tag-name">Product</span><span class="tag">></span><span> getProducts(int pageNo, int pageSize)  </span></span></span></li>
<li><span>{  </span></li>
<li class="alt">
<span>Connection </span><span class="attribute">conn</span><span>=</span><span class="attribute-value">null</span><span>;  </span>
</li>
<li>
<span>ResultSet </span><span class="attribute">rs</span><span>=</span><span class="attribute-value">null</span><span>;  </span>
</li>
<li class="alt">
<span>List</span><span class="tag"><span class="tag-name">Product</span><span class="tag">></span><span> </span><span class="attribute">list</span><span>=</span><span class="attribute-value">new</span><span> ArrayList</span><span class="tag"><span class="tag-name">Product</span><span class="tag">></span><span>();  </span></span></span>
</li>
<li>
<span class="attribute">conn</span><span>=</span><span class="attribute-value">DB</span><span>.getConn();  </span>
</li>
<li class="alt">
<span>String </span><span class="attribute">sql</span><span>=</span><span class="attribute-value">"select * from product limit "</span><span>+(pageNo-1)*pageSize+","+pageSize;  </span>
</li>
<li><span> </span></li>
<li class="alt">
<span class="attribute">rs</span><span>=</span><span class="attribute-value">DB</span><span>.executeQuery(conn, sql);  </span>
</li>
<li><span>try  </span></li>
<li class="alt"><span>{  </span></li>
<li><span>while(rs.next())  </span></li>
<li class="alt"><span>{  </span></li>
<li>
<span>Product </span><span class="attribute">p</span><span>=</span><span class="attribute-value">new</span><span> Product();  </span>
</li>
<li class="alt"><span>p.setId(rs.getInt("id"));  </span></li>
<li><span>p.setName(rs.getString("name"));  </span></li>
<li class="alt"><span>p.setDescr(rs.getString("descr"));  </span></li>
<li><span>p.setNormalPrice(rs.getDouble("normalprice"));  </span></li>
<li class="alt"><span>p.setMemberPrice(rs.getDouble("memberprice"));  </span></li>
<li><span>p.setCategoryId(rs.getInt("categoryid"));  </span></li>
<li class="alt"><span>p.setPdate(rs.getTimestamp("pdate"));  </span></li>
<li><span>list.add(p);  </span></li>
<li class="alt"><span>}  </span></li>
<li><span>} catch (SQLException e)  </span></li>
<li class="alt"><span>{  </span></li>
<li><span>e.printStackTrace();  </span></li>
<li class="alt"><span>}  </span></li>
<li><span>finally  </span></li>
<li class="alt"><span>{  </span></li>
<li><span>DB.closeRs(rs);  </span></li>
<li class="alt"><span>DB.closeConn(conn);  </span></li>
<li><span>}  </span></li>
<li class="alt"><span>return list;  </span></li>
<li><span>} </span></li>
</ol>
Copy after login

上述的相关内容就是对MySQL数据库中实现分页显示的代码的描述,希望会给你带来一些帮助在此方面。


source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template