如何解决如何使背景适合内容而不是bootstrap中容器的整个宽度
我正在使用引导程序来制作卡。我在卡体内的div中添加了bg颜色，但是背景遍及容器的整个宽度。这是我正在使用的卡片的图片：
如何，如何使包含图片和用户名的div的背景颜色仅适合内容而不适合卡片的100％宽度？
HTML：
<div class="card">
<div class="card-body">
<h5 class="card-title text-center">Card title</h5>
<p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="text-center userbg rounded-pill">
<a href=""><img class="img-fluid rounded-circle myImg" src="https://lh3.googleusercontent.com/a-/AOh14Gj07ovBA5rvPW7w90kJll5j3_oqFbc1hpADM4F91w">
<span>User</span>
</a>
</div>
</div>
</div>
CSS：
.myImg {
height: 15%;
width: 15%;
}
.userbg {
background-color: #d3d3d3;
}
解决方法
<div>的默认行为是块级元素，这意味着它将始终占据可用宽度的100％，除非该行为被覆盖。您可以采用几种不同的方法来解决此问题，或者更改<div>包装器的性质，或者完全消除它，然后将更改应用于锚标记。
下面是使用Bootstrap 4以及尽可能少的自定义样式的示例。
.myPill a {
background: #d3d3d3;
}
.myPill img {
max-width: 50px;
}<div class="myPill d-flex-inline text-center">
<a href="#null" class="d-inline-block rounded-pill px-3 py-2">
<img class="img-fluid rounded-circle" src="https://lh3.googleusercontent.com/a-/AOh14Gj07ovBA5rvPW7w90kJll5j3_oqFbc1hpADM4F91w" />
<span class="ml-2">User</span>
</a>
</div>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
在上面的代码中，我们使用d-flex-inline（Bootstrap 4.x的实用程序组件）将display: inline-flex应用于<div>元素，这使我们可以突破以下限制： <div>的级别性质。
我们将d-inline-block应用于您的超链接，以便背景将正确环绕元素，并允许适当的居中和间距。诸如px-3和py-2之类的其他实用程序类用于提供其他填充。
在此示例中，您唯一需要的自定义CSS是应用您自己的自定义背景颜色并确保img的大小合适的条件。在上面的示例中，我使用了一个单一的类，然后将该类定位到同级HTML元素，但是您可能希望将其他类应用于这些元素，而不是直接定位它们。
.myImg {
height: 15%;
width: 15%;
}
.card .card-body .userbg {
background-color: #d3d3d;
width: 20%!important;
height: 20% !important;
padding:1%;
box-sizing:border-box;
}
我认为您需要的输出是您上面显示的卡。试试这个。
Caused by: org.springframework.dao.PermissionDeniedDataAccessException: Unsupported authentication token,scheme 'none' is only allowed when auth is disabled.; Error code 'Neo.ClientError.Security.Unauthorized'
at org.springframework.data.neo4j.repository.support.Neo4jPersistenceExceptionTranslator.translateImpl(Neo4jPersistenceExceptionTranslator.java:105) ~[spring-data-neo4j-6.0.0-SNAPSHOT.jar:6.0.0-SNAPSHOT]
at org.springframework.data.neo4j.repository.support.Neo4jPersistenceExceptionTranslator.translateExceptionIfPossible(Neo4jPersistenceExceptionTranslator.java:83) ~[spring-data-neo4j-6.0.0-SNAPSHOT.jar:6.0.0-SNAPSHOT]
at org.springframework.data.neo4j.core.DefaultNeo4jClient.potentiallyConvertRuntimeException(DefaultNeo4jClient.java:187) ~[spring-data-neo4j-6.0.0-SNAPSHOT.jar:6.0.0-SNAPSHOT]
at org.springframework.data.neo4j.core.DefaultNeo4jClient.access$400(DefaultNeo4jClient.java:59) ~[spring-data-neo4j-6.0.0-SNAPSHOT.jar:6.0.0-SNAPSHOT]
at org.springframework.data.neo4j.core.DefaultNeo4jClient$DefaultRecordFetchSpec.one(DefaultNeo4jClient.java:298) ~[spring-data-neo4j-6.0.0-SNAPSHOT.jar:6.0.0-SNAPSHOT]
at org.springframework.data.neo4j.core.Neo4jTemplate$DefaultExecutableQuery.getSingleResult(Neo4jTemplate.java:525) ~[spring-data-neo4j-6.0.0-SNAPSHOT.jar:6.0.0-SNAPSHOT]
at org.springframework.data.neo4j.repository.query.Neo4jQueryExecution$DefaultQueryExecution.execute(Neo4jQueryExecution.java:53) ~[spring-data-neo4j-6.0.0-SNAPSHOT.jar:6.0.0-SNAPSHOT]
at org.springframework.data.neo4j.repository.query.AbstractNeo4jQuery.execute(AbstractNeo4jQuery.java:68) ~[spring-data-neo4j-6.0.0-SNAPSHOT.jar:6.0.0-SNAPSHOT]
at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:135) ~[spring-data-commons-2.4.0-M2.jar:2.4.0-M2]
at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:119) ~[spring-data-commons-2.4.0-M2.jar:2.4.0-M2]
at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:151) ~[spring-data-commons-2.4.0-M2.jar:2.4.0-M2]
at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:130) ~[spring-data-commons-2.4.0-M2.jar:2.4.0-M2]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.0-M2.jar:5.3.0-M2]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:80) ~[spring-data-commons-2.4.0-M2.jar:2.4.0-M2]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.0-M2.jar:5.3.0-M2]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:367) ~[spring-tx-5.3.0-M2.jar:5.3.0-M2]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:118) ~[spring-tx-5.3.0-M2.jar:5.3.0-M2]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.0-M2.jar:5.3.0-M2]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137) ~[spring-tx-5.3.0-M2.jar:5.3.0-M2]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.0-M2.jar:5.3.0-M2]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97) ~[spring-aop-5.3.0-M2.jar:5.3.0-M2]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.0-M2.jar:5.3.0-M2]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.3.0-M2.jar:5.3.0-M2]
at com.sun.proxy.$Proxy133.findByName(Unknown Source) ~[na:na]
at ...
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1847) ~[spring-beans-5.3.0-M2.jar:5.3.0-M2]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1784) ~[spring-beans-5.3.0-M2.jar:5.3.0-M2]
... 81 common frames omitted
function multiplepromises() {
var prom = function (resolve,reject) {
var lifecycleeventone = new someEvent();
var lifecycleeventtwo = new someEvent();
var lifecycleeventthree = new someEvent();
var lifecycleeventfour = new someEvent();
var lifecycleeventfive = new someEvent();
lifecycleeventone.on(function () {
try {
resolve("eventone")
} catch {
reject("eventone")
}
})
lifecycleeventtwo.on(function () {
try {
resolve("eventtwo")
} catch {
reject("eventtwo")
}
})
lifecycleeventthree.on(function () {
try {
resolve("eventthree")
} catch {
reject("eventthree")
}
})
lifecycleeventfour.on(function () {
try {
resolve("eventfour")
} catch {
reject("eventfour")
}
})
lifecycleeventfive.on(function () {
try {
resolve("eventfive")
} catch {
reject("eventfive")
}
})
maineventlikefinallySOcalledalways.on(function(){
try {
resolve("maineventlikefinallySOcalledalways")
} catch {
reject("maineventlikefinallySOcalledalways")
}
})
}
return prom
}
multiplepromises()
.onlifecycleeventoneAsProm((result)=> result) //eventone promise resolve
.onlifecycleeventoneerrorAsProm((error)=> error) //eventone
.onlifecycleeventtwoAsProm((result)=> result) //eventtwo promise resolve
.onlifecycleeventtwoerrorAsProm((error)=> error) //eventtwo
.onlifecycleeventthreeAsProm((result)=> result) //eventthree promise resolve
.onlifecycleeventthreeerrorAsProm((error)=> error) //eventthree
.onlifecycleeventfourAsProm((result)=> result) //eventfour promise resolve
.onlifecycleeventfourerrorAsProm((error)=> error) //eventfour
.onlifecycleeventfiveAsProm((result)=> result) // eventfive promise resolve
.onlifecycleeventfiveerrorAsProm((error)=> error) //eventfive
.then((result)=> result) // maineventlikefinallySOcalledalways promise resolve
.error((error)=> error) // maineventlikefinallySOcalledalways promise reject
multiplepromises()
.onlifecycleeventoneAsProm((result)=> result) //eventone promise resolve
.onlifecycleeventoneerrorAsProm((error)=> error) //eventone
.onlifecycleeventtwoAsProm((result)=> result) //eventtwo promise resolve
.onlifecycleeventtwoerrorAsProm((error)=> error) //eventtwo
.onlifecycleeventthreeAsProm((result)=> console.log("test"))
// lifecycleeventthree promise reject stops here and
// doesnt continue to .then/.error since there was no return from this lifecycle event(promise)
,
我找到了更好的解决方案。
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