[英]Json; how can I return my res array of MongoDB Models to Router's .get, as json? (Node js)
[英]how can i update MVC models's particular field in tables using json array
String expenseIds = resourceRequest.getParameter("expenseIds");
JSONArray expenseArray = JSONFactoryUtil.createJSONArray(expenseIds);
LOG.info("JSON ARRAY" + expenseArray);
if (Validator.isNotNull(expenseIds)) {
for (int i = 0; i < expenseArray.length(); i++) {
LOG.info("Expense Id"+expenseArray.getInt(i));
}
这是我的代码,我能够获得ExpenseIds。 我想使用数组ID更新特定字段
Liferay使用ORM,这意味着您可以在service.xml中定义对象,并且作为构建过程的一部分,Liferay会创建对象,持久性层以及用于访问该持久性层的实用程序方法。
假设您有一个费用对象,定义如下
<service-builder package-path="com.latham.request">
<entity name="Expense" local-service="true" remote-service="true">
<column name="expenseId" type="long" primary="true" />
</entity>
</service-builder>
要进行更新,您实际上将执行以下操作
Expense e = ExpenseLocalServiceUtil.getExpense(id);
e.setWhateverAttribute("helloWhateverAttribute");
ExpenseLocalServiceUtil.updateExpense(e);
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.