问题：在jmeter中测试接口，验证一个传入参数对空格的处理时，运行报错
报错信息
java.net.URISyntaxException: Illegal character in query at index 130: http://api.t4.2012iot.com/api-devicemanage/device/addDevice?sn=22222222222222222222222222222222222222222222222222&type=5&phone=111 111&camType=&brand=&password=
at java.net.URI$Parser.fail(Unknown Source)
at java.net.URI$Parser.checkChars(Unknown Source)
at java.net.URI$Parser.parseHierarchical(Unknown Source)
at java.net.URI$Parser.parse(Unknown Source)
at java.net.URI.<init>(Unknown Source)
at java.net.URL.toURI(Unknown Source)
at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.sample(HTTPHC4Impl.java:535)
at org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:67)
at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1282)
at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1271)
at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:627)
at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:551)
at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:490)
at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:257)
at java.lang.Thread.run(Unknown Source)
问题原因：在jmeter中如果要验证某个传参是否支持空格时， 必须在勾选编码，这样空格字符才能被用+号代替作为空格在请求的url中使用
