Java 弹簧不工作

当我在Eclipse IDE中将鼠标悬停在XML代码上时，出现了以下错误：

cvc-complex-type.2.4.a: Invalid content was found starting with element 'constructor-args'. One of '{"http://  www.springframework.org/schema/beans":import, "http://www.springframework.org/schema/beans":alias,   "http://www.springframework.org/schema/beans":bean, WC[##other:"http://www.springframework.org/  schema/beans"], "http://www.springframework.org/schema/beans":beans}' is expected.

以下是我在XML配置文件中编写的XML代码。我不明白这段代码中的错误

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- Define your beans here -->

    <!-- dependency definition -->
     <bean id="cheer-up" class="package.CheerUpClass"></bean>

    <!-- Inversion of control -->
    <bean id="Coach" class="package.CricketCoach"></bean>

    <!-- constructor injection -->
    <constructor-arg ref="cheer-up" />  
</beans>

---

您也应该直接在IDE上得到一个错误

---

constructor arg

是一个可以存在于

bean

元素下而不是顶层的元素。

尝试在xml中使用以下声明。希望它能解决你的问题

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframew``ork.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">

---

您的构造函数arg标记位于bean标记之外。把它放在豆子标签里。

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframew``ork.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">