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我已經通過了以下要求(全額貼息的項目,但是需要支付運費)優惠:我在使用貝寶快速結賬,並試圖通過的車總
$nvstr = "
&L_PAYMENTREQUEST_0_NAME0=IOB+Joining+Package+Fee
&L_PAYMENTREQUEST_0_QTY0=3
&L_PAYMENTREQUEST_0_AMT0=.1
&L_PAYMENTREQUEST_0_NAME1=Discount
&L_PAYMENTREQUEST_0_QTY1=1
&L_PAYMENTREQUEST_0_AMT1=-.1
&PAYMENTREQUEST_0_ITEMAMT=0.2
&PAYMENTREQUEST_0_TAXAMT=0
&PAYMENTREQUEST_0_SHIPDISCAMT=0
&MAXAMT=0
&PAYMENTREQUEST_0_SHIPPINGAMT=0.3
&PAYMENTREQUEST_0_HANDLINGAMT=0
&PAYMENTREQUEST_0_AMT=0.5
&PAYMENTREQUEST_0_PAYMENTACTION=Sale
&CUSTOM=.1
&SOLUTIONTYPE=Sole";
支付我看到後折扣價格乘以數量。