Spring注入Bean问题解决Could not resolve placeholder 'userInfo' in value "${userInfo}"

最新推荐文章于 2025-06-16 16:33:28 发布
最新推荐文章于 2025-06-16 16:33:28 发布
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本文链接：https://blog.youkuaiyun.com/NN2016160626/article/details/90674172
博客展示了Spring框架中出现的依赖注入错误，具体为org.springframework.beans.factory.BeanCreationException，无法解析占位符'userInfo'。给出了错误代码，即使用@Value注入对象，解决方法是使用@Resource注入对象。

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错误描述：

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'setterIoC': Injection of autowired dependencies failed; nested exception is java.lang.IllegalArgumentException: Could not resolve placeholder 'userInfo' in value "${userInfo}"
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:380) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1411) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:843) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) ~[spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) ~[spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
    at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:127) [spring-boot-test-2.1.5.RELEASE.jar:2.1.5.RELEASE]
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:89) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:541) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209) [.cp/:na]
Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'userInfo' in value "${userInfo}"
    at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:178) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:124) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.core.env.AbstractPropertyResolver.doResolvePlaceholders(AbstractPropertyResolver.java:237) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.core.env.AbstractPropertyResolver.resolveRequiredPlaceholders(AbstractPropertyResolver.java:211) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.context.support.PropertySourcesPlaceholderConfigurer.lambda$processProperties$0(PropertySourcesPlaceholderConfigurer.java:175) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.resolveEmbeddedValue(AbstractBeanFactory.java:851) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1189) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1168) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:593) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    ... 41 common frames omitted

2019-05-29 16:53:09.001 ERROR 4284 --- [           main] o.s.test.context.TestContextManager      : Caught exception while allowing TestExecutionListener [org.springframework.test.context.web.ServletTestExecutionListener@461ad730] to prepare test instance [com.example.demo.Shiyan1ApplicationTests@5a6482a9]

java.lang.IllegalStateException: Failed to load ApplicationContext
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:125) ~[spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108) ~[spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190) ~[spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132) ~[spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246) ~[spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) [spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:89) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:541) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209) [.cp/:na]
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'setterIoC': Injection of autowired dependencies failed; nested exception is java.lang.IllegalArgumentException: Could not resolve placeholder 'userInfo' in value "${userInfo}"
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:380) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1411) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:843) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) ~[spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) ~[spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
    at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:127) ~[spring-boot-test-2.1.5.RELEASE.jar:2.1.5.RELEASE]
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) ~[spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117) ~[spring-test-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    ... 25 common frames omitted
Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'userInfo' in value "${userInfo}"
    at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:178) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:124) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.core.env.AbstractPropertyResolver.doResolvePlaceholders(AbstractPropertyResolver.java:237) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.core.env.AbstractPropertyResolver.resolveRequiredPlaceholders(AbstractPropertyResolver.java:211) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.context.support.PropertySourcesPlaceholderConfigurer.lambda$processProperties$0(PropertySourcesPlaceholderConfigurer.java:175) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.resolveEmbeddedValue(AbstractBeanFactory.java:851) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1189) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1168) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:593) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

错误的代码：

@Value("${userInfo}")
    private UserInfo userInfo2;

解决的代码：

@Resource
    private UserInfo userInfo2;  

注入对象要用到@Resource

 

 

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export default { setup() { const username = ref('') const password = ref('') const loading = ref(false) const remember = ref(false) // 记住密码状态 // 页面加载时检查是否有保存的凭据 onMounted(() => { const savedUsername = uni.getStorageSync('savedUsername') const savedPassword = uni.getStorageSync('savedPassword') if (savedUsername && savedPassword) { username.value = savedUsername password.value = savedPassword remember.value = true } }) // 切换记住密码状态 const toggleRemember = (e) => { remember.value = e.detail.value.length > 0 } // 忘记密码处理 const handleForgotPassword = () => { uni.showModal({ title: '忘记密码', content: '是否清除保存的账号密码？', success: (res) => { if (res.confirm) { // 清除保存的账号密码 uni.removeStorageSync('savedUsername') uni.removeStorageSync('savedPassword') username.value = '' password.value = '' remember.value = false uni.showToast({ title: '已清除账号密码', icon: 'success' }) } } }) } const handleLogin = async () => { // 验证输入 if (!username.value.trim()) { uni.showToast({ title: '请输入用户名', icon: 'none', duration: 2000 }) return } if (!password.value) { uni.showToast({ title: '请输入密码', icon: 'none', duration: 2000 }) return } loading.value = true try { // 兼容性请求 const response = await new Promise((resolve, reject) => { uni.request({ url: 'http://172.26.26.43/dev-api/login', method: 'POST', data: { username: username.value, password: password.value }, header: { 'Content-Type': 'application/json' }, timeout: 10000, success: (res) => resolve(res), fail: (err) => reject(err) }) }) // 处理响应 await handleResponse(response) // 登录成功后保存凭据（如果用户选择了记住密码） if (remember.value) { saveCredentials() } else { clearSavedCredentials() } } catch (error) { console.error('登录请求出错:', error) let errorMsg = '登录失败，请重试' if (error.errMsg) { errorMsg = `请求失败: ${error.errMsg}` } else if (error.message) { errorMsg = error.message } uni.showToast({ title: errorMsg, icon: 'none', duration: 2000 }) } finally { loading.value = false } } // 保存凭据到本地存储 const saveCredentials = () => { uni.setStorageSync('savedUsername', username.value) uni.setStorageSync('savedPassword', password.value) } // 清除保存的凭据 const clearSavedCredentials = () => { uni.removeStorageSync('savedUsername') uni.removeStorageSync('savedPassword') } // 清除token缓存 onShow(() => { uni.removeStorageSync('token'); uni.removeStorageSync('userInfo'); }); const handleResponse = async (response) => { // 检查HTTP状态码 if (response.statusCode < 200 || response.statusCode >= 300) { throw new Error(`服务器错误: ${response.statusCode}`) } // 解析响应数据 const { data } = response if (!data) { throw new Error('服务器返回空数据') } const { code, message, token } = data if (code === 200) { // 存储token uni.setStorageSync('token', token) uni.showToast({ title: '登录成功！', icon: 'success', duration: 1000 }) // 登录成功后跳转 setTimeout(() => { uni.switchTab({ url: '/pages/workbench/workbench' }) }, 1000) } else { throw new Error(`登录失败: ${message || '未知错误'}`) } } // 在登录页面的onShow方法中 onShow(() => { // 清除 token 缓存 uni.removeStorageSync('token'); // 清除其他用户相关数据 uni.removeStorageSync('userInfo'); console.log('已清除登录状态缓存'); // 生产环境可移除 }); return { username, password, remember, loading, handleLogin, toggleRemember, handleForgotPassword } } } </script> 我想要登录成功后保存登录的账户名，显示到我的页面里，我的页面代码：<template> <view class="container"> <!-- 新增：顶部用户信息区域 --> <view class="user-info-section"> <view class="avatar-container"> <image src="/static/images/default-avatar.png" class="avatar-image" mode="aspectFill" /> <view class="avatar-frame"></view> </view> <view class="user-details"> <text class="welcome-text">您好，</text> <text class="username">{{ userName }}</text> <view class="user-meta"> <text class="user-role">{{ userRole }}</text> <text class="user-dept">{{ userDept }}</text> </view> </view> </view> <!-- 搜索表单区域 --> <view class="search-card"> <!-- 原有搜索表单内容保持不变 --> </view> <!-- 数据显示区域 --> <view class="data-card"> <!-- 原有数据展示内容保持不变 --> </view> </view> </template> <script setup> import { ref, reactive, computed, onMounted } from 'vue'; import { onShow } from '@dcloudio/uni-app'; // 新增：用户信息相关 const userName = ref(''); const userRole = ref(''); const userDept = ref(''); // 原有响应式数据保持不变... // 页面显示时加载数据 onShow(() => { fetchSurveyData(); fetchBdrList(); loadUserInfo(); // 新增：加载用户信息 }); // 新增：加载用户信息 const loadUserInfo = () => { try { // 从本地存储获取用户信息 const userInfo = uni.getStorageSync('userInfo'); if (userInfo) { // 解析用户信息 userName.value = userInfo.nickName || userInfo.userName || '未知用户'; userRole.value = userInfo.roles?.join('、') || '普通用户'; userDept.value = userInfo.dept?.deptName || '未分配部门'; // 打印调试信息 console.log('用户信息加载成功:', { name: userName.value, role: userRole.value, dept: userDept.value }); } else { console.warn('未找到用户信息，请重新登录'); // 如果没有用户信息，跳转到登录页 uni.redirectTo({ url: '/pages/login/login' }); } } catch (error) { console.error('加载用户信息失败:', error); uni.showToast({ title: '加载用户信息失败', icon: 'none' }); } }; // 原有方法保持不变... </script>
最新发布
08-07
userName.value = userInfo.nickName || userInfo.userName || '未知用户'; userRole.value = userInfo.roles?.join('、') || '普通用户'; userDept.value = userInfo.dept?.deptName || '未分配部门'; ...
【Spring Boot系列学习】02.Spring Boot配置文件
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目录 一、application.properties 1.自定义属性 1.1简单属性 1.2实体属性 1.3参数间引用 1.4随机值配置 1.5自定义配置文件 2.常用属性 2.1多环境配置profile 二.application.yml 1.yaml语法 2.格式 3.支持的值 4.其他 三.其他 1.添加组件：添加组件的方式有两种 2.存放路径及优先...
userLogin() { login(this.userInfo).then(res => { console.log(res.data) uni.showToast({ title: res.msg, duration: 2000, });
06-09
4.**问题：未处理跨域**：在uni-app中，通过配置manifest.json可以解决跨域问题，或者使用代理（开发环境下）。5.**问题：未保存登录状态**：登录成功后，需要将token保存到本地存储，并在后续请求中携带（如引用[1]...
报错：Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'USER_NICK_NAME' in
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推荐阅读：报错原因详解 报错信息 Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'USER_NICK_NAME' in value "${USER_NICK_NAME}" 原因分析 问题的产生是由于有多个properties文件造成的，如果再第一个properties文件中没有找，就不...
彻底解决Could not resolve placeholder --release
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1.产生的原因，只看文字也能看懂，可以跳过代码部分 if (propVal != null) { propVal = this.parseStringValue(propVal, placeholderResolver, (Set)visitedPlaceholders); result.replace(startIndex, endIndex + this.placeholderSuffix.length.
SpringCloud读取Nacos配置中心报错：Could not resolve placeholder ‘xxx’ in value ‘${xxx}
累计发表博客60余万字，优快云 博客专家、Java 领域优质创作者、华为云享专家、阿里云专家博主。专注分享 Java 优质文章，毕设实战项目开发，全网粉丝10W+
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hello，我是灰小猿，一个超会写bug的程序员！近期在写一个spring cloud Alibaba读取Nacos配置中心远程配置文件的内容时，出现了几个比较坑的bug，在此记录一下，帮大家避避坑。
Java Could not resolve placeholder ‘xxx‘ in value “${xxx}“问题解决
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