错误原因：

编译下载最新的maven源代码，但是出现错误。错误如下：

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-mapreduce-client-core:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-mapreduce-client-common:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-mapreduce-client-shuffle:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-mapreduce-client-app:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-mapreduce-client-jobclient:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-mapreduce-client-hs:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-mapreduce-client-hs-plugins:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-mapreduce-client:pom:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-mapreduce-examples:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-mapreduce:pom:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-streaming:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-distcp:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-archives:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-rumen:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-gridmix:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-datajoin:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-tools-dist:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-extras:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-pipes:pom:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-tools:pom:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-dist:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-client:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-minicluster:jar:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ org.apache.hadoop:hadoop-main:3.0.0-SNAPSHOT, E:\hadoo

p-common-trunk\pom.xml, line 278, column 15

[WARNING]

[WARNING] Some problems were encountered while building the effective model for

org.apache.hadoop:hadoop-main:pom:3.0.0-SNAPSHOT

[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-enfo

rcer-plugin is missing. @ line 278, column 15

[WARNING]

[WARNING] It is highly recommended to fix these problems because they threaten t

he stability of your build.

[WARNING]

[WARNING] For this reason, future Maven versions might no longer support buildin

g such malformed projects.

[WARNING]

[INFO] ------------------------------------------------------------------------

[INFO] Reactor Build Order:

[INFO]

[INFO] Apache Hadoop Main

[INFO] Apache Hadoop Project POM

[INFO] Apache Hadoop Annotations

[INFO] Apache Hadoop Project Dist POM

[INFO] Apache Hadoop Assemblies

[INFO] Apache Hadoop Maven Plugins

[INFO] Apache Hadoop MiniKDC

[INFO] Apache Hadoop Auth

[INFO] Apache Hadoop Auth Examples

[INFO] Apache Hadoop Common

[INFO] Apache Hadoop NFS

[INFO] Apache Hadoop Common Project

[INFO] Apache Hadoop HDFS

[INFO] Apache Hadoop HttpFS

[INFO] Apache Hadoop HDFS BookKeeper Journal

[INFO] Apache Hadoop HDFS-NFS

[INFO] Apache Hadoop HDFS Project

[INFO] hadoop-yarn

[INFO] hadoop-yarn-api

[INFO] hadoop-yarn-common

[INFO] hadoop-yarn-server

[INFO] hadoop-yarn-server-common

[INFO] hadoop-yarn-server-nodemanager

[INFO] hadoop-yarn-server-web-proxy

[INFO] hadoop-yarn-server-resourcemanager

[INFO] hadoop-yarn-server-tests

[INFO] hadoop-yarn-client

[INFO] hadoop-yarn-applications

[INFO] hadoop-yarn-applications-distributedshell

[INFO] hadoop-mapreduce-client

[INFO] hadoop-mapreduce-client-core

[INFO] hadoop-yarn-applications-unmanaged-am-launcher

[INFO] hadoop-yarn-site

[INFO] hadoop-yarn-project

[INFO] hadoop-mapreduce-client-common

[INFO] hadoop-mapreduce-client-shuffle

[INFO] hadoop-mapreduce-client-app

[INFO] hadoop-mapreduce-client-hs

[INFO] hadoop-mapreduce-client-jobclient

[INFO] hadoop-mapreduce-client-hs-plugins

[INFO] Apache Hadoop MapReduce Examples

[INFO] hadoop-mapreduce

[INFO] Apache Hadoop MapReduce Streaming

[INFO] Apache Hadoop Distributed Copy

[INFO] Apache Hadoop Archives

[INFO] Apache Hadoop Rumen

[INFO] Apache Hadoop Gridmix

[INFO] Apache Hadoop Data Join

[INFO] Apache Hadoop Extras

[INFO] Apache Hadoop Pipes

[INFO] Apache Hadoop Tools Dist

[INFO] Apache Hadoop Tools

[INFO] Apache Hadoop Distribution

[INFO] Apache Hadoop Client

[INFO] Apache Hadoop Mini-Cluster

[INFO]

[INFO] ------------------------------------------------------------------------

[INFO] Building Apache Hadoop Main 3.0.0-SNAPSHOT

[INFO] ------------------------------------------------------------------------

Downloading: http://172.21.77.119:8081/nexus/content/groups/public/org/apache/ma

ven/plugins/maven-enforcer-plugin/maven-metadata.xml

Downloaded: http://172.21.77.119:8081/nexus/content/groups/public/org/apache/mav

en/plugins/maven-enforcer-plugin/maven-metadata.xml (714 B at 4.4 KB/sec)

[INFO]

[INFO] --- maven-enforcer-plugin:1.3.1:enforce (clean) @ hadoop-main ---

Downloading: http://172.21.77.119:8081/nexus/content/groups/public/commons-lang/

commons-lang/2.3/commons-lang-2.3.jar

[INFO] ------------------------------------------------------------------------

[INFO] Reactor Summary:

[INFO]

[INFO] Apache Hadoop Main ................................ FAILURE [0.531s]

[INFO] Apache Hadoop Project POM ......................... SKIPPED

[INFO] Apache Hadoop Annotations ......................... SKIPPED

[INFO] Apache Hadoop Project Dist POM .................... SKIPPED

[INFO] Apache Hadoop Assemblies .......................... SKIPPED

[INFO] Apache Hadoop Maven Plugins ....................... SKIPPED

[INFO] Apache Hadoop MiniKDC ............................. SKIPPED

[INFO] Apache Hadoop Auth ................................ SKIPPED

[INFO] Apache Hadoop Auth Examples ....................... SKIPPED

[INFO] Apache Hadoop Common .............................. SKIPPED

[INFO] Apache Hadoop NFS ................................. SKIPPED

[INFO] Apache Hadoop Common Project ...................... SKIPPED

[INFO] Apache Hadoop HDFS ................................ SKIPPED

[INFO] Apache Hadoop HttpFS .............................. SKIPPED

[INFO] Apache Hadoop HDFS BookKeeper Journal ............. SKIPPED

[INFO] Apache Hadoop HDFS-NFS ............................ SKIPPED

[INFO] Apache Hadoop HDFS Project ........................ SKIPPED

[INFO] hadoop-yarn ....................................... SKIPPED

[INFO] hadoop-yarn-api ................................... SKIPPED

[INFO] hadoop-yarn-common ................................ SKIPPED

[INFO] hadoop-yarn-server ................................ SKIPPED

[INFO] hadoop-yarn-server-common ......................... SKIPPED

[INFO] hadoop-yarn-server-nodemanager .................... SKIPPED

[INFO] hadoop-yarn-server-web-proxy ...................... SKIPPED

[INFO] hadoop-yarn-server-resourcemanager ................ SKIPPED

[INFO] hadoop-yarn-server-tests .......................... SKIPPED

[INFO] hadoop-yarn-client ................................ SKIPPED

[INFO] hadoop-yarn-applications .......................... SKIPPED

[INFO] hadoop-yarn-applications-distributedshell ......... SKIPPED

[INFO] hadoop-mapreduce-client ........................... SKIPPED

[INFO] hadoop-mapreduce-client-core ...................... SKIPPED

[INFO] hadoop-yarn-applications-unmanaged-am-launcher .... SKIPPED

[INFO] hadoop-yarn-site .................................. SKIPPED

[INFO] hadoop-yarn-project ............................... SKIPPED

[INFO] hadoop-mapreduce-client-common .................... SKIPPED

[INFO] hadoop-mapreduce-client-shuffle ................... SKIPPED

[INFO] hadoop-mapreduce-client-app ....................... SKIPPED

[INFO] hadoop-mapreduce-client-hs ........................ SKIPPED

[INFO] hadoop-mapreduce-client-jobclient ................. SKIPPED

[INFO] hadoop-mapreduce-client-hs-plugins ................ SKIPPED

[INFO] Apache Hadoop MapReduce Examples .................. SKIPPED

[INFO] hadoop-mapreduce .................................. SKIPPED

[INFO] Apache Hadoop MapReduce Streaming ................. SKIPPED

[INFO] Apache Hadoop Distributed Copy .................... SKIPPED

[INFO] Apache Hadoop Archives ............................ SKIPPED

[INFO] Apache Hadoop Rumen ............................... SKIPPED

[INFO] Apache Hadoop Gridmix ............................. SKIPPED

[INFO] Apache Hadoop Data Join ........................... SKIPPED

[INFO] Apache Hadoop Extras .............................. SKIPPED

[INFO] Apache Hadoop Pipes ............................... SKIPPED

[INFO] Apache Hadoop Tools Dist .......................... SKIPPED

[INFO] Apache Hadoop Tools ............................... SKIPPED

[INFO] Apache Hadoop Distribution ........................ SKIPPED

[INFO] Apache Hadoop Client .............................. SKIPPED

[INFO] Apache Hadoop Mini-Cluster ........................ SKIPPED

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 1.578s

[INFO] Finished at: Fri Aug 23 15:28:05 CST 2013

[INFO] Final Memory: 18M/52M

[INFO] ------------------------------------------------------------------------

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:1.

3.1:enforce (clean) on project hadoop-main: Execution clean of goal org.apache.m

aven.plugins:maven-enforcer-plugin:1.3.1:enforce failed: Plugin org.apache.maven

.plugins:maven-enforcer-plugin:1.3.1 or one of its dependencies could not be res

olved: Could not find artifact commons-lang:commons-lang:jar:2.3 in nexus (http:

//172.21.77.119:8081/nexus/content/groups/public/) -> [Help 1]

[ERROR]

[ERROR] To see the full stack trace of the errors, re-run Maven with the -e swit

ch.

[ERROR] Re-run Maven using the -X switch to enable full debug logging.

[ERROR]

[ERROR] For more information about the errors and possible solutions, please rea

d the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginResoluti

onException

E:\hadoop-common-trunk>

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:1.

3.1:enforce (clean) on project hadoop-main: Execution clean of goal org.apache.m

aven.plugins:maven-enforcer-plugin:1.3.1:enforce failed: Plugin org.apache.maven

.plugins:maven-enforcer-plugin:1.3.1 or one of its dependencies could not be res

olved:
Could not find artifact commons-lang:commons-lang:jar:2.3 in nexus (http:
//172.21.77.119:8081/nexus/content/groups/public/) -> [Help 1]

具体错误用红色标记出来了。

解决办法

1 去自己的.m2 文件夹下把 xxx.lastUpdated文件全部删掉  （无果）
2 在用maven时加 -U参数  （无果）
3 去nexus里去先"Update Index"再"Expire Cache"  （无果）

同时执行方案（2+3 ）成功。

收藏maven错误的更多相关文章

  1. Maven 错误：Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project appservice-common: Fatal error compiling: 无效的目标发行版: 1.8

    通过IDEA 提供的面板 执行package 或者 install 没有错误,但是cmd terminal 窗口就不行!出现: Maven 错误:Failed to execute goal org. ...

  2. Maven 错误 Failure to transfer ...was cached in the local repository...

    Maven 错误 Failure to transfer ...was cached in the local repository... 我解决的时候多了两步才解决 1. mvn clean ins ...

  3. 备忘：maven 错误信息： Plugin execution not covered by lifecycle configuration

    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/20 ...

  4. maven错误：Project configuration is not up-to-date with pom.xml

    原因: 1.导入maven工程后,出现如下错误: Description    Resource    Path    Location    TypeProject configuration is ...

  5. Maven错误Failed to read artifact descriptor for xxx:jar 和 missing artifact maven dependency

    可参考:http://stackoverflow.com/questions/6111408/maven2-missing-artifact-but-jars-are-in-place http:// ...

  6. Maven 错误 :The POM for com.xxx:jar:0.0.1-SNAPSHOT is invalid, transitive dependencies (if any) will not be available

    一个大的maven 项目,结构是一个根pom,下面几个小的module,包括了appservice-darc,appservice-entity等,其中appservice-darc 依赖了 apps ...

  7. maven 错误列表

    1.编译错误 qcadoo-maven-plugin>mvn clean install No compiler is provided in this environment. Perhaps ...

  8. 新建 Spring Mvc Web + Maven 的 maven 错误 (二)

    新建项目后,可能由于哪边配置不正确,或也可能是编码问题,就有可能在创建初始就可能发生错误: 这是 pom.xml 中提示的错误,有的人说要删除 maven 的本地仓库位置:c:\用户[Users]\A ...

  9. maven错误The JAVA_HOME environment variable is not defined correctly

    晚上,当我准备将好的spring boot通过mvn clean package 打包成jar文件上传到linux服务器时,却在打包过程中出现了错误: C:\>mvn -version The ...

随机推荐

  1. [每日一题] OCP1z0-047 :2013-08-14 如何理解USING INDEX?...................................41

    正确答案:B 一.USING INDEX的实验: .USING INDEX可以让你在创建主键.唯一性约束的时候使用指定的索引或创建索引.或修改索引的存储结构. OK,我先不用USING INDEX,创 ...

  2. python-打印简单公司员工信息表

    python-打印简单公司员工信息表 要求,输入name不为空,输入次数最多3次,3次后跳出程序: 知识点: raw_input str转int whil if elif else continue ...

  3. 转载：浅析C#深拷贝与浅拷贝

    原文地址 :http://www.cnblogs.com/xugang/archive/2010/09/09/1822555.html   感谢博主分享! 也许会有人这样解释C# 中浅拷贝与深拷贝区别 ...

  4. 三星I9308(移动版)正确​Root的方法，进入正确的recovery的关键（网上很多方法是误导）

    三星I9308(移动版)正确​Root的方法,进入正确的recovery的关键(网上很多方法是误导)   1)首先在电脑上安装手机驱动:下载地址:点击这里下载  2)手机设置USB调试 方法1:设置- ...

  5. Web开发 < base target>

    target就是点击链接后跳转到的目标页.通俗点说,就是你当前页面上的链接<a>,也包括<img>.<link>.<form>,除非你指定了target ...

  6. 基于bootstrap的轮播广告页，带图片和文字

    <!DOCTYPE html> <html lang="zh-cn"> <head> <meta charset="utf-8& ...

  7. （转）JavaWeb学习总结(十三)——使用Session防止表单重复提交

    如何防止表单重复提交 在平时开发中,如果网速比较慢的情况下,用户提交表单后,发现服务器半天都没有响应,那么用户可能会以为是自己没有提交表单,就会再点击提交按钮重复提交表单,我们在开发中必须防止表单重复 ...

  8. Ext4.1 Grid 分页查询

    转载:http://blog.csdn.net/zyujie/article/details/16362747 最近用Ext4.1自己做了做项目的练习:把一些知识点,在这里记录下来了! 上面一个for ...

  9. 安卓开机启动service后台运行

    安卓开机启动service后台运行 Android开机启动时会发送一个广播android.intent.action.BOOT_COMPLETED,捕捉到这个广播,然后可以进行相应的操作,比如:通过捕 ...

  10. web开发 关于src跳转

    src跳转看传递的参数值,如果参数值一样就不会再次跳转,也不会向后台的服务器提供request. 想要随时都能跳转可以传递不同的参数,如 onClick="this.src='http:// ...