我有一个jsp页面。我从数据库里展示书籍。在所有的书前面,我有订餐按钮。我想订一本书。当我订购书码和书名时,将添加到数据库边框表中。但是我不能从html表中获取数据。如何从jsp文件中的html表中获取数据?
st =conn.prepareStatement("select * from books where book_name like ? ");
st.setString(1, "%"+book+"%");
ResultSet rslt = st.executeQuery();
我已经将RichFaces演示逐字放在了index.jsp页面中。由于演示没有提供任何支持此源代码的支持bean代码,因此我在panelMenu.java中创建了这些方法
public void updateCurrent(String n) {
logger.info("updateCurrent called with " + n);
setCurrent(n);
}
public String getCurrent() {
return current;
}
public void setCurrent(String c) {
curr
我正在使用React创建在线订餐,当餐厅关闭时,我需要禁用订餐,直到它再次开业。 如下所示: const time = new Date().toLocaleTimeString("rs-RS");
const day = new Date().getDay();
if (day <= 5 && time < "08:00:00" && time > "23:30:00") {
console.log("closed");
} else if (day
当我在Androäd上部署一个war on jetty应用程序时,我得到了这样的消息:
HTTP ERROR 500
Problem accessing /index.jsp.
Reason:
JSP support not configured
如何在Andro JSP上配置Jetty应用程序以接受JSP?
我在Dialogflow上工作,我已经为我的意图设置了上下文,但不知道如何在Alexa中设置上下文 user: open demo bot
alexa: welcome! How can I help you?
User: update my name
Alexa: What's your name?
User: Jason
Alexa: your name is updated as Jason, Anything else?
user: John
Alexa: your name is updated as John, Anything else? 它应该会给出一个错误,但
我在web -INF下的网页下添加了这个shir.ini:
[main]
# Objects and their properties are defined here,
# Such as the securityManager, Realms and anything
# else needed to build the SecurityManager
shiro.loginUrl = /index.jsp
[users]
root = 12345,admin
guest = 12345,guest
[roles]
admin = *
[urls]
/index.xhtml
SELECT * FROM users WHERE user_name = 'Andrew' ORDER BY age DESC
这里有个电话。例如,我有db,其中有3列:
user_name, age , id
在这个db中,我们有30个相同的名称('Andrew')。我想按年龄订餐,如你所见,从1到10,然后从11到20,然后从21到30 .How。
/get-users/:from/:to