完善优惠券--面额两位小数
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@@ -32,7 +32,7 @@
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<el-input v-model.number="coupon.publishCount" placeholder="只能输入正整数" class="input-width"></el-input>
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</el-form-item>
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<el-form-item label="面额:" prop="amount">
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<el-input v-model.number="coupon.amount" placeholder="面值只能是数值,限2位小数" class="input-width">
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<el-input v-model="coupon.amount" @keyup.native="coupon.amount = UpNumber(coupon.amount,2)" placeholder="面值只能是数值,限2位小数" class="input-width">
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<template slot="append">元</template>
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</el-input>
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</el-form-item>
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@@ -234,6 +234,24 @@
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this.getProductCateList();
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},
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methods:{
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UpNumber(val, limit = 2) {
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val = val.replace(/[^\d.]/g, '') // 保留数字
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val = val.replace(/^00/, '0.') // 开头不能有两个0
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val = val.replace(/^\./g, '0.') // 开头为小数点转换为0.
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val = val.replace(/\.{2,}/g, '.') // 两个以上的小数点转换成一个
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val = val.replace('.', '$#$').replace(/\./g, '').replace('$#$', '.'); // 只保留一个小数点
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/^0\d+/.test(val) ? val = val.slice(1) : '' // 两位以上数字开头不能为0
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const str = '^(\\d+)\\.(\\d{' + limit + '}).*$'
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const reg = new RegExp(str)
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if (limit === 0) {
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// 不需要小数点
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val = val.replace(reg, '$1')
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} else {
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// 通过正则保留小数点后指定的位数
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val = val.replace(reg, '$1.$2')
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}
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return val
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},
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onSubmit(formName) {
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this.$refs[formName].validate((valid) => {
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if (valid) {
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