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    文件類型: .rar
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    發布日期: 2021-05-23
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DropDown.rar

資源截圖

代碼片段和文件信息 

package?com.imooc.dao;

import?java.sql.Connection;
import?java.sql.ResultSet;
import?java.sql.SQLException;???
import?java.sql.Statement;
import?java.util.ArrayList;
import?java.util.HashMap;???
import?java.util.Map;

import?DatabaseHelp.DBHelp;

public?class?DropdownDAO?{??????
	???
	//獲得省
	????@SuppressWarnings（“rawtypes“）
		public?static??ArrayList?getprovince（）?throws?SQLException?{???
	????????Map?map?=?new?HashMap（）;???
	????????ArrayList?rsList?=?new?ArrayList（）;
		????Connection?conn?=?null;???
		????Statement?stmt?=?null;???
		????ResultSet?rs?=?null;
	????????String?sql?=?“select?*?from?province;“?;???
	????????try?{???
	????????????conn?=?DBHelp.getConnection（）;???
	????????????stmt?=?conn.createStatement（）;???
	????????????rs?=?stmt.executeQuery（sql）;???
	????????????while?（rs.next（））?{???
	????????????	map?=?new?HashMap（）;??
	????????????	map.put（“code“?rs.getString（“code_p“））;
	????????????	map.put（“name“rs.getString（“name“））;
	????????????????rsList.add（map）;
	????????????}???
	????????????return?rsList;???
	????????}?catch?（Exception?e）?{???
	????????????System.out.println（“----獲得省的方法出現異常:“?+?e）;???
	????????????e.printStackTrace（）;???
	????????????return?null;???
	????????}?finally?{???
	????????}???
	????}???
	????
	????
	????//根據省編號獲得市
	????@SuppressWarnings（“rawtypes“）
		public?static?ArrayList?getcity（String?code_p）?throws?SQLException?{???
	????????Map?map?=?new?HashMap（）;???
			ArrayList?rsList?=?new?ArrayList（）;
		????Connection?conn?=?null;???
		????Statement?stmt?=?null;???
		????ResultSet?rs?=?null;
	????????String?sql?=?“select?*?from?city?where?code_p=“+code_p+“;“?;???
	????????try?{???
	????????????conn?=?DBHelp.getConnection（）;???
	????????????stmt?=?conn.createStatement（）;???
	????????????rs?=?stmt.executeQuery（sql）;???
	????????????while?（rs.next（））?{???
	????????????	map?=?new?HashMap（）;??
	????????????	map.put（“code“?rs.getString（“code_c“））;
	????????????	map.put（“name“rs.getString（“name“））;
	????????????????rsList.add（map）;
	????????????}???
	????????????return?rsList;
	????????}?catch?（Exception?e）?{???
	????????????System.out.println（“----獲得市的方法出現異常:“?+?e）;???
	????????????e.printStackTrace（）;???
	????????????return?null;???
	????????}?finally?{???
	????????}???
	????}???
	????
	????//根據市編號獲得區
	????@SuppressWarnings（“rawtypes“）
		public?static?ArrayList?getarea（String?code_c）?throws?SQLException?{???
	????????Map?map?=?new?HashMap（）;???
			ArrayList?rsList?=?new?ArrayList（）;
		????Connection?conn?=?null;???
		????Statement?stmt?=?null;???
		????ResultSet?rs?=?null;
	????????String?sql?=?“select?*?from?area?where?code_c=“+code_c+“;“?;???
	????????try?{???
	????????????conn?=?DBHelp.getConnection（）;???
	????????????stmt?=?conn.createStatement（）;???
	?????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1197??2017-11-30?23:32??DropDown\.classpath

?????文件????????908??2017-11-30?23:05??DropDown\.project

?????文件????????567??2017-11-30?23:05??DropDown\.settings\.jsdtscope

?????文件?????????49??2017-11-30?23:20??DropDown\.settings\org.eclipse.core.resources.prefs

?????文件????????364??2017-11-30?23:05??DropDown\.settings\org.eclipse.jdt.core.prefs

?????文件????????476??2017-11-30?23:05??DropDown\.settings\org.eclipse.wst.common.component

?????文件????????345??2017-11-30?23:05??DropDown\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2017-11-30?23:05??DropDown\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2017-11-30?23:05??DropDown\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????3496??2017-11-30?23:44??DropDown\build\classes\com\imooc\dao\DropdownDAO.class

?????文件???????1639??2017-11-30?23:20??DropDown\build\classes\DatabaseHelp\DBHelp.class

?????文件???????2508??2017-11-30?23:44??DropDown\build\classes\DropdownServlet\Dropdown.class

?????文件???????3594??2017-11-30?23:44??DropDown\src\com\imooc\dao\DropdownDAO.java

?????文件???????1277??2017-11-30?23:20??DropDown\src\DatabaseHelp\DBHelp.java

?????文件???????1647??2017-11-30?23:44??DropDown\src\DropdownServlet\Dropdown.java

?????文件???????2397??2017-11-30?23:52??DropDown\WebContent\index.jsp

?????文件??????94020??2011-11-22?15:15??DropDown\WebContent\js\jquery\jquery-1.7.min.js

?????文件???????1562??2011-11-22?21:36??DropDown\WebContent\js\json\json-minified.js

?????文件?????????39??2017-11-30?23:05??DropDown\WebContent\meta-INF\MANIFEST.MF

?????文件?????248983??2017-11-30?23:03??DropDown\WebContent\SQL\region.sql

?????文件????????672??2017-11-30?23:50??DropDown\WebContent\WEB-INF\web.xml

?????目錄??????????0??2017-11-30?23:18??DropDown\build\classes\com\imooc\dao

?????目錄??????????0??2017-11-30?23:18??DropDown\build\classes\com\imooc

?????目錄??????????0??2017-11-30?23:18??DropDown\src\com\imooc\dao

?????目錄??????????0??2017-11-30?23:18??DropDown\build\classes\com

?????目錄??????????0??2017-11-30?23:18??DropDown\build\classes\DatabaseHelp

?????目錄??????????0??2017-11-30?23:17??DropDown\build\classes\DropdownServlet

?????目錄??????????0??2017-11-30?23:18??DropDown\src\com\imooc

?????目錄??????????0??2017-11-30?23:52??DropDown\WebContent\js\jquery

?????目錄??????????0??2017-11-30?23:52??DropDown\WebContent\js\json

............此處省略17個文件信息

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