java 在 spring 中写入/更新属性文件值
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Write/Update properties file value in spring
提问by mevada.yogesh
I have some requirement where I want to write/update the value in the properties file I am using the my spring application.
我有一些要求，我想在我使用 spring 应用程序的属性文件中写入/更新值。
I have googled it but I have not found a direct way of doing it using Spring.
我在谷歌上搜索过它，但我还没有找到使用 Spring 的直接方法。
Does any one aware of how to do it or is there any best way to do it.
有没有人知道如何做到这一点，或者有什么最好的方法来做到这一点。
Thanks in advance.
提前致谢。
回答by Deh
You can achieve that like this :
你可以这样实现：
public void saveParamChanges() {
try {
// create and set properties into properties object
Properties props = new Properties();
props.setProperty("Prop1", "toto");
props.setProperty("Prop2", "test");
props.setProperty("Prop3", "tata");
// get or create the file
File f = new File("app-properties.properties");
OutputStream out = new FileOutputStream( f );
// write into it
DefaultPropertiesPersister p = new DefaultPropertiesPersister();
p.store(props, out, "Header COmment");
} catch (Exception e ) {
e.printStackTrace();
}
}
EDIT : updated with the defaultPropertiesPersiter from org.springframework.Util
编辑：使用来自 org.springframework.Util 的 defaultPropertiesPersiter 更新
