element中el-input组件事件

<el-input v-model="value" v-on:change="handleChange"></el-input>
<el-input v-model="value" @change="handleChange"></el-input>
<el-input v-model="value" v-on:input="handleChange"></el-input>
<el-input v-model.trim="value" @input="handleChange" v-focus></el-input>

export default{
    data() {
        return {
            value: ''
        }
    },
    methods: {
        handleChange(value) {
            if (this.value) {
              this.value = parseInt(value);
            }
        }
    }
}