package Jdb;import java.io.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Locale;
import java.util.Properties;
import java.sql.ResultSetMetaData;
import java.util.ResourceBundle;public class ConnectMysql {
static String driver ="";
static String url = "";
static String user = "";
static String password = "";
static String databases = "Jdb.database";
//使用ResourceBundle读取配置文件
static
{
try
{
ResourceBundle resources = ResourceBundle.getBundle(databases);
driver = resources.getString("driver").trim();
url = resources.getString("url").trim();
user = resources.getString("user").trim();
password = resources.getString("password").trim();
}
catch(Exception e)
{
System.out.println("属性文件 " + "database.properties" + " 打开失败!");
e.printStackTrace();
}
}以上是我使用ResourceBundle来读取读取properties文件,虽然这不是一个web项目
但是现在想通过读配置文件的方式来连接连接数据库
编译可以通过,运行一直报错说打不开配置文件
错误如下:
java.util.MissingResourceException: Can't find bundle for base name src.database, locale zh_CN
at java.util.ResourceBundle.throwMissingResourceException(ResourceBundle.java:1521)
at java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1260)
at java.util.ResourceBundle.getBundle(ResourceBundle.java:715) 1521 throw new MissingResourceException("Can't find bundle for base name "
+ baseName + ", locale " + locale,
baseName + "_" + locale, // className
"", // key
cause);1260 throwMissingResourceException(baseName, locale, cacheKey.getCause());
}
bundle = baseBundle;
}715 return getBundleImpl(baseName, Locale.getDefault(),
/* must determine loader here, else we break stack invariant */
getLoader(),
Control.INSTANCE);
哪里错了,请大家告知一下 谢谢
ps:因为发到java web开发里无人响应,所以发到这里来
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Locale;
import java.util.Properties;
import java.sql.ResultSetMetaData;
import java.util.ResourceBundle;public class ConnectMysql {
static String driver ="";
static String url = "";
static String user = "";
static String password = "";
static String databases = "Jdb.database";
//使用ResourceBundle读取配置文件
static
{
try
{
ResourceBundle resources = ResourceBundle.getBundle(databases);
driver = resources.getString("driver").trim();
url = resources.getString("url").trim();
user = resources.getString("user").trim();
password = resources.getString("password").trim();
}
catch(Exception e)
{
System.out.println("属性文件 " + "database.properties" + " 打开失败!");
e.printStackTrace();
}
}以上是我使用ResourceBundle来读取读取properties文件,虽然这不是一个web项目
但是现在想通过读配置文件的方式来连接连接数据库
编译可以通过,运行一直报错说打不开配置文件
错误如下:
java.util.MissingResourceException: Can't find bundle for base name src.database, locale zh_CN
at java.util.ResourceBundle.throwMissingResourceException(ResourceBundle.java:1521)
at java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1260)
at java.util.ResourceBundle.getBundle(ResourceBundle.java:715) 1521 throw new MissingResourceException("Can't find bundle for base name "
+ baseName + ", locale " + locale,
baseName + "_" + locale, // className
"", // key
cause);1260 throwMissingResourceException(baseName, locale, cacheKey.getCause());
}
bundle = baseBundle;
}715 return getBundleImpl(baseName, Locale.getDefault(),
/* must determine loader here, else we break stack invariant */
getLoader(),
Control.INSTANCE);
哪里错了,请大家告知一下 谢谢
ps:因为发到java web开发里无人响应,所以发到这里来
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明明是找不到嘛
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;//单例模式实现读取***.properties文件的内容
public class OVLoadProperties {
// 声明一个自己的实例
private static OVLoadProperties instance = new OVLoadProperties();
final static String fileName = "/config.properties";
// 返回该实例
public static synchronized OVLoadProperties getInstance() {
return instance;
} // 获取key所对应的值
public String getProperties(String key) {
Properties p = new Properties();
InputStream is = null;
try {
// ***.properties文件放在src目录的下边
is = OVLoadProperties.class.getResourceAsStream(fileName);
if (is == null)
is = new FileInputStream(fileName);
p.load(is);
} catch (Exception e) {
System.out.println("加载文件出错啦!" + e.getMessage());
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
// TODO Auto-generated catch block
System.out.println(e.getMessage());
}
}
}
return p.getProperty(key);
}
}
你的代码中文件的名字static String databases = "Jdb.database";写错了吧,这个文件后缀名不是.properties
感谢,io的方式,我知道怎么用
但是ResourceBundle也可以读取properties文件的,我想试试这个方法
“Jdb.database”,Jdb是包名,database是properties文件