页面样式为：
html 代码为：
日志等级：
<el-radio-group v-model="logLevel"><el-radio-button label="DEBUG" @click.native.prevent="changeLogLevel('DEBUG')">DEBUG</el-radio-button><el-radio-button label="INFO" @click.native.prevent="changeLogLevel('INFO')">INFO</el-radio-button><el-radio-button label="ERROR" @click.native.prevent="changeLogLevel('ERROR')">ERROR</el-radio-button>
</el-radio-group>js代码为：（记得在data中声明loglevel:""）
changeLogLevel(val) {if (this.logLevelChecked && val == this.logLevel) {this.logLevelChecked = "";this.logLevel = "";this.getLogAggregation();} else {this.logLevelChecked = 1;this.logLevel = val;this.getLogAggregation();}}
