<el-input placeholder="請輸入內容" v-model="input"? @keyup.native="input?=?ValReplace(input)"> </el-input>
ValReplace(val)?{
??????val=val.replace(/[^0-9.]/g,'');
??????val=val.replace(/^\./g,?'');
??????val=val.replace(/\.{2,}/g,?'');
??????val=val.replace('.',?'$#$').replace(/\./g,?'').replace('$#$',?'.');
??????return?val
????},
