input特殊输入框

    <span class="demonstration">姓名</span>
     <el-input v-model="value3" 
        placeholder="只能输入中文"  
        align="right"  style='width:100px'  
        onInput="this.value=this.value.replace(/[^\u4e00-\u9fa5]/g,'')">
     </el-input>

     <span class="demonstration">价格</span>
     <el-input v-model="value4" 
          placeholder="只能输入数字带小数点的"  
          align="right"  style='width:100px'  
          onInput="if(isNaN(value))execCommand('undo')"  
          onafterpaste="if(isNaN(value))execCommand('undo')">
     </el-input>

     <span class="demonstration">年龄</span>
     <el-input v-model="value5" 
          placeholder="只能输入纯数字"  
          align="right"  
          style='width:100px' 
          onInput="value = value.replace(/[^\d]/g,'')">
     </el-input>
     
     <span class="demonstration">密码</span>
     <el-input v-model="value6" 
          placeholder="只输入数字和字母"  
          align="right"  
          style='width:150px'   
          maxlength="12" 
          onInput="value=value.replace(/[\W]/g,'')">
     </el-input>


        //    只能输入0 带两位小数 和正整数
       <el-form-item label="售价" prop="stPrice">
          <el-input placeholder="请输入售价" v-model="baseInfo.stPrice" 
          onInput="value=value.replace(/^\D*(\d*(?:\.\d{0,2})?).*$/g,'$1')"
          >
            <template slot="append">元</template>
          </el-input>
        </el-form-item>

     public inputFuncddd(params) { 
        params = params.replace(/[^\0-9\-]/g, ''); 
        this.$nextTick(() => { this.phoneCode = params; }) 
     }


    <el-input v-model="phoneCode" v-on:input="inputFuncddd" >