我使用过dataTable服务器端处理我想在没有收到数据的情况下禁用按钮。
<?xml version="1.0" encoding="utf-8"?>
<project name="MY-PROJECT" default="create-war-and-deploy-to-jboss" basedir="." xmlns:sonar="antlib:org.sonar.ant" xmlns:jacoco="antlib:org.jacoco.ant">
<property name="verbose" value="false" />
<property name="javaVersion" value="1.7" />
<!-- Provides access to OS environment variables (eg: env.USERNAME) -->
<property environment="env" />
<!-- Application's directories -->
<property name="dir.build" value="${basedir}/build" />
<property name="dir.src" value="${basedir}/src" />
<property name="dir.dist" value="${basedir}/dist" />
<property name="dir.lib" location="${basedir}/lib" />
<property name="dir.target" value="${basedir}/target" />
<property name="dir.build.classes" value="${dir.target}/classes" />
<property name="dir.test" value="${basedir}/test" />
<property name="dir.web" value="${basedir}/WebContent" />
<property name="dir.webinf.lib" value="${dir.web}/WEB-INF/lib" />
<!-- Loading the application.properties file -->
<property file="${dir.src}/resources/application.properties" prefix="app." />
<!-- Loading the build.properties file -->
<property file="build.properties" prefix="buildProp." />
<tstamp>
<format property="build.time" pattern="yyyy-MM-dd HH:mm" />
</tstamp>
<echo message="========================================================================" />
<echo message="*** Starting ${app.name} build " />
<echo message="========================================================================" />
<!-- JBoss directories -->
<property name="dir.jboss" value="${buildProp.jboss.home}" />
<property name="dir.jboss.domain" value="${dir.jboss}/${buildProp.jboss.domain}" />
<property name="dir.jboss.libs" value="${dir.jboss}/${buildProp.jboss.libs}" />
<property name="dir.jboss.deploy" value="${dir.jboss.domain}/${buildProp.jboss.deploy}" />
<!-- Path for unit tests -->
<path id="run.classpath.tests">
<pathelement path="${dir.build.classes}" />
<pathelement path="${dir.test}/build/classes" />
<path refid="compile.classpath.tests" />
</path>
<!-- Provided dependencies from the container -->
<path id="compile.classpath.server">
<fileset dir="${dir.lib}">
<include name="**/*.jar" />
</fileset>
</path>
<!-- Dependencies specific to this application -->
<path id="compile.classpath.web">
<fileset dir="${dir.web}/WEB-INF/lib">
<include name="**/*.jar" />
</fileset>
</path>
<path id="compile.classpath.target">
<fileset dir="${dir.lib}">
<include name="hibernate-jpamodelgen-5.1.0.Final.jar" />
</fileset>
<fileset dir="${dir.target}">
<include name="**/*.java" />
</fileset>
</path>
<!-- Dependencies specifically for unit testing purposes -->
<path id="compile.classpath.tests">
<fileset dir="${dir.test}/lib/">
<include name="junit-4.6.jar" />
<include name="mockito-all-1.9.5.jar" />
</fileset>
<fileset dir="${dir.webinf.lib}" />
<pathelement location="${dir.build.classes}" />
<path refid="compile.classpath.server" />
</path>
<!-- PRINT-VERSION -->
<target name="print-version">
<echo>Java/JVM version: ${ant.java.version}</echo>
<echo>Java/JVM detailed version: ${java.version}</echo>
</target>
<!-- BUILD-DISTRIBUTION -->
<target
name="build-distribution"
description="Generate Deployment unit and stage to appserver directory."
depends="
clean,
run-unit-tests,
create-war,
run-sonarqube-analysis">
<manifest file="${dir.web}/META-INF/MANIFEST.MF">
<attribute name="Manifest-Version" value="1.0" />
<attribute name="Ant-Version" value="1.7.0" />
<attribute name="Created-By" value="${env.USERNAME}" />
<attribute name="Implementation-Title" value="${app.name}" />
<attribute name="Implementation-Version" value="${app.version}" />
<attribute name="Implementation-Vendor" value="Canada Revenue Agency" />
<attribute name="Implementation-Date" value="${build.time}" />
<attribute name="Built-By" value="${env.USERNAME}" />
<attribute name="Dependencies" value="org.hibernate" />
</manifest>
<propertyfile file="${dir.src}/resources/application.properties">
<entry key="lastUpdate" value="${build.time}" />
</propertyfile>
</target>
<!-- CLEAN -->
<target name="clean"
description="Cleans up build-related temporary directories."
depends="delete-directories" />
<!-- CREATE-DIRECTORIES -->
<target name="create-directories" >
<mkdir dir="${dir.build}" />
<mkdir dir="${dir.dist}" />
<mkdir dir="${dir.build.classes}" />
<mkdir dir="${dir.web}/WEB-INF/classes" />
<mkdir dir="${dir.test}/build" />
<mkdir dir="${dir.test}/build/classes" />
<mkdir dir="${dir.test}/reports" />
</target>
<!-- DELETES-DIRECTORIES -->
<target name="delete-directories">
<delete dir=".sonar" />
<!-- /build -->
<delete includeEmptyDirs="true" failonerror="false">
<fileset dir="${dir.build}" includes="**/*" />
<exclude name=".cvsignore" />
</delete>
<!-- /dist -->
<delete includeEmptyDirs="true" failonerror="false">
<fileset dir="${dir.dist}" includes="**/*" />
<exclude name=".cvsignore" />
</delete>
<!-- /WEB-INF/classes -->
<delete includeEmptyDirs="true" failonerror="false">
<fileset dir="${dir.web}/WEB-INF/classes">
<include name="**/*" />
</fileset>
<fileset dir="${dir.web}/WEB-INF/src">
<include name="**/*" />
</fileset>
</delete>
<!-- /target -->
<delete includeEmptyDirs="true" failonerror="false">
<fileset dir="${dir.target}" includes="**/*" />
<exclude name=".cvsignore" />
</delete>
<!-- /test/build -->
<delete dir="${dir.test}/build" />
<!-- /test/reports -->
<delete includeEmptyDirs="true" failonerror="false">
<fileset dir="${dir.test}/reports" />
</delete>
<!-- Existing WAR file and JBoss marker files -->
<delete dir="${dir.jboss.deploy}/${app.name}.war" />
<delete file="${dir.jboss.deploy}/${app.name}.war" />
<delete file="${dir.jboss.deploy}/${app.name}.war.deployed" />
</target>
<!-- COMPILE -->
<target name="compile" depends="print-version,create-directories">
<javac destdir="${dir.build.classes}" verbose="${verbose}" debug="on" fork="true" failonerror="true" source="${javaVersion}" target="${javaVersion}" includeantruntime="false">
<classpath>
<path refid="compile.classpath.server" />
<path refid="compile.classpath.target" />
<path refid="compile.classpath.web" />
</classpath>
<src path="${dir.src}" />
<compilerarg value="-Xlint:deprecation" />
<compilerarg value="-Xlint:unchecked" />
</javac>
<!--copy property files to classes directory -->
<copy todir="${dir.build.classes}">
<fileset dir="${dir.src}">
<include name="**/*.properties" />
<include name="META-INF/**/*" />
</fileset>
</copy>
</target>
<!-- COMPILE-TESTS -->
<target name="compile-tests" depends="create-directories,compile">
<javac srcdir="${dir.test}/src" destdir="${dir.test}/build/classes" verbose="${verbose}" debug="on" fork="true" source="${javaVersion}" target="${javaVersion}" includeantruntime="false">
<classpath refid="compile.classpath.tests" />
<compilerarg value="-Xlint:deprecation" />
<compilerarg value="-Xlint:unchecked" />
</javac>
</target>
<!-- RUN-UNIT-TESTS -->
<target name="run-unit-tests" depends="compile-tests" description="Runs all unit test classes under the test package.">
<taskdef uri="antlib:org.jacoco.ant" resource="org/jacoco/ant/antlib.xml">
<classpath path="test/lib/org.jacoco.ant-0.7.2.201409121644.jar"/>
<classpath path="test/lib/org.jacoco.agent_0.7.2.201409121644.jar"/>
<classpath path="test/lib/org.jacoco.core_0.7.2.201409121644.jar"/>
<classpath path="test/lib/org.jacoco.report_0.7.2.201409121644.jar"/>
</taskdef>
<jacoco:coverage destfile="${dir.target}/jacoco.exec">
<junit fork="true" printsummary="yes" haltonfailure="yes" showoutput="no">
<classpath refid="run.classpath.tests" />
<formatter type="xml" />
<batchtest fork="yes" todir="${dir.test}/reports">
<fileset dir="${dir.test}/src">
<include name="**/*Test.java" />
</fileset>
</batchtest>
</junit>
</jacoco:coverage>
</target>
<!-- CREATE-WAR -->
<target name="create-war" description="Creates a WAR file including all compiled classes and resources." depends="compile">
<war destfile="dist/${app.name}.war" webxml="WebContent/WEB-INF/web.xml">
<fileset dir="WebContent" />
<classes dir="${dir.build.classes}" />
</war>
</target>
<!-- CREATE-WAR-AND-DEPLOY -->
<target name="create-war-and-deploy-to-jboss" description="Creates a WAR file including all compiled classes and resources, and deploys the app to jboss" depends="create-war,deploy-to-jboss" />
<!-- RUN-SONARQUBE -->
<target name="run-sonarqube-analysis" description="Runs the SonarQube analysis and updates statistics on the server." depends="create-war">
<property file="sonar.properties" prefix="sonar." />
<!-- SonarQube properties -->
<property name="sonar.exclusions" value="${sonar.exclusions}" />
<property name="sonar.host.url" value="${sonar.host.url}" />
<property name="sonar.jacoco.reportPath" value="${sonar.jacoco.reportPath}" />
<property name="sonar.java.binaries" value="${sonar.java.binaries}" />
<property name="sonar.java.coveragePlugin" value="${sonar.java.coveragePlugin}" />
<property name="sonar.java.libraries" value="${sonar.java.libraries}" />
<property name="sonar.java.source" value="${javaVersion}" />
<property name="sonar.junit.reportsPath" value="${sonar.junit.reportsPath}" />
<property name="sonar.projectKey" value="${sonar.projectKey}" />
<property name="sonar.projectVersion" value="${app.version}" />
<property name="sonar.projectName" value="${sonar.projectName}" />
<property name="sonar.sources" value="${sonar.sources}" />
<property name="sonar.sourceEncoding" value="${sonar.sources.sourceEncoding}" />
<property name="sonar.tests" value="${sonar.tests}" />
<taskdef uri="antlib:org.sonar.ant" resource="org/sonar/ant/antlib.xml">
<classpath path="${dir.lib}/sonarqube-ant-task-2.4.1.jar" />
</taskdef>
<sonar:sonar/>
</target>
<!-- DEPLOY-TO-JBOSS -->
<target name="deploy-to-jboss" depends="create-war">
<!--delete war file if it already exists and was copied over, we need a directory now-->
<delete file="${dir.jboss.deploy}/${app.name}.war" />
<delete file="${dir.jboss.deploy}/${app.name}.war.deployed" />
<!-- copy all of the files except one that will trigger the deployment -->
<copy todir="${dir.jboss.deploy}">
<fileset file="${dir.dist}/${app.name}.war" />
</copy>
</target>
</project>
以下是我的按钮
var thisTable = $('#examole).DataTable({
"responsive": true,
"processing": true,
"serverSide": true,
"info": true,
"order": [[8, 'desc' ]],
"dom": '<"top"flip>rt<"bottom"flp>',
"ajax": {
url: '/user.php',
type: 'POST',
},
答案 0 :(得分：0)
var thisTable = $('#examole').DataTable({
"responsive": true,
"processing": true,
"serverSide": true,
"info": true,
"order": [[8, 'desc' ]],
"dom": '<"top"flip>rt<"bottom"flp>',
"ajax": {
url: '/user.php',
type: 'POST',
// add this section
dataFilter: function (data) {
// you may have to deserilize and reserialize data here
// depending how your data is handled.
if(data.data.length == 0) {
$("#btn1").prop("disabled", true);
}
else {
$("#btn1").prop("disabled", false);
}
return data;
}
},
// and the rest of your code