1. 问题表现
比如我在resources/application.yml下定义一个变量
hasor:
dataway:
authorization:
username: adminuser
然后我又在resources/config/application.yml下定义一个变量
hasor:
dataway:
authorization:
username: adminuserInConfig
那么我从 hasor的BuildConfig.envProperties得到的值是adminuser ，
而从 @value("${hasor.dataway.authorization.username:}")得到的值是adminuserInConfig
2.问题可能出现的地方
我个人觉得出现问题的地方是net.hasor.spring.beans.AbstractEnvironmentAware#setupEnvironment这个方法
public Properties setupEnvironment(Environment environment) {
this.environment = environment;
Properties envProperties = new Properties();
Iterator<PropertySource> propertySourceIterator = ((StandardEnvironment) environment).getPropertySources().iterator();
while (propertySourceIterator.hasNext()) {
PropertySource propertySource = propertySourceIterator.next();
if ("systemProperties".equalsIgnoreCase(propertySource.getName())) {
continue;// this propertySource in Hasor has same one
}
if ("systemEnvironment".equalsIgnoreCase(propertySource.getName())) {
continue;// this propertySource in Hasor has same one
}
Object source = propertySource.getSource();
if (source instanceof Map) {
((Map) source).forEach((BiConsumer<Object, Object>) (key, value) -> {
if (key == null || value == null) {
return;
}
envProperties.put(key, value);
});
}
}
return envProperties;
}
这个方法是取最后一个有对应key的propertySource对应的值（envProperties.put(key, value);不管当前key对应得value有没有值，都重新设置）
而spring的方法org.springframework.core.env.PropertySourcesPropertyResolver#getProperty
protected T getProperty(String key, Class targetValueType, boolean resolveNestedPlaceholders) {
if (this.propertySources != null) {
for (PropertySource<?> propertySource : this.propertySources) {
if (logger.isTraceEnabled()) {
logger.trace("Searching for key '" + key + "' in PropertySource '" +
propertySource.getName() + "'");
}
Object value = propertySource.getProperty(key);
if (value != null) {
if (resolveNestedPlaceholders && value instanceof String) {
value = resolveNestedPlaceholders((String) value);
}
logKeyFound(key, propertySource, value);
return convertValueIfNecessary(value, targetValueType);
}
}
}
if (logger.isTraceEnabled()) {
logger.trace("Could not find key '" + key + "' in any property source");
}
return null;
}
这个方法是取第一个有对应key的propertySource对应的值（value != null时立即返回）
3.还有一个疑惑
if ("systemProperties".equalsIgnoreCase(propertySource.getName())) {
continue;// this propertySource in Hasor has same one
}
if ("systemEnvironment".equalsIgnoreCase(propertySource.getName())) {
continue;// this propertySource in Hasor has same one
}
这个是为什么，我发现最后从setting里获取的值也没有包括systemProperties 和 systemEnvironment， 但是注释里面说有
1. 问题表现
比如我在resources/application.yml下定义一个变量
hasor:
dataway:
authorization:
username: adminuser
然后我又在resources/config/application.yml下定义一个变量
hasor:
dataway:
authorization:
username: adminuserInConfig
那么我从 hasor的BuildConfig.envProperties得到的值是adminuser ，
而从 @value("${hasor.dataway.authorization.username:}")得到的值是adminuserInConfig
2.问题可能出现的地方
我个人觉得出现问题的地方是net.hasor.spring.beans.AbstractEnvironmentAware#setupEnvironment这个方法
public Properties setupEnvironment(Environment environment) {
this.environment = environment;
Properties envProperties = new Properties();
Iterator<PropertySource> propertySourceIterator = ((StandardEnvironment) environment).getPropertySources().iterator(); while (propertySourceIterator.hasNext()) { PropertySource propertySource = propertySourceIterator.next();
if ("systemProperties".equalsIgnoreCase(propertySource.getName())) {
continue;// this propertySource in Hasor has same one
}
if ("systemEnvironment".equalsIgnoreCase(propertySource.getName())) {
continue;// this propertySource in Hasor has same one
}
Object source = propertySource.getSource();
if (source instanceof Map) {
((Map) source).forEach((BiConsumer<Object, Object>) (key, value) -> {
if (key == null || value == null) {
return;
}
envProperties.put(key, value);
});
}
}
return envProperties;
}
这个方法是取最后一个有对应key的propertySource对应的值（envProperties.put(key, value);不管当前key对应得value有没有值，都重新设置）
而spring的方法org.springframework.core.env.PropertySourcesPropertyResolver#getProperty
protected T getProperty(String key, Class targetValueType, boolean resolveNestedPlaceholders) {
if (this.propertySources != null) {
for (PropertySource<?> propertySource : this.propertySources) {
if (logger.isTraceEnabled()) {
logger.trace("Searching for key '" + key + "' in PropertySource '" +
propertySource.getName() + "'");
}
Object value = propertySource.getProperty(key);
if (value != null) {
if (resolveNestedPlaceholders && value instanceof String) {
value = resolveNestedPlaceholders((String) value);
}
logKeyFound(key, propertySource, value);
return convertValueIfNecessary(value, targetValueType);
}
}
}
if (logger.isTraceEnabled()) {
logger.trace("Could not find key '" + key + "' in any property source");
}
return null;
}
这个方法是取第一个有对应key的propertySource对应的值（value != null时立即返回）
3.还有一个疑惑
if ("systemProperties".equalsIgnoreCase(propertySource.getName())) {
continue;// this propertySource in Hasor has same one
}
if ("systemEnvironment".equalsIgnoreCase(propertySource.getName())) {
continue;// this propertySource in Hasor has same one
}
这个是为什么，我发现最后从setting里获取的值也没有包括systemProperties 和 systemEnvironment， 但是注释里面说有