refactor(payment): 优化支付页面文案和国际化

- 更新支付页面的标题和提示文案
-优化国际化文案，支持多语言- 调整支付金额输入框的占位符文案
- 统一"支付全部"和

app/pages/payment/index.vue

@@ -10,6 +10,7 @@ const payStatus=ref(0)
 definePageMeta({
   i18n: 'payment.title'
 })
+const {t}=useI18n()
 const router=useRouter()
 const changePayStatus=()=>{
   payStatus.value=payStatus.value===0?1:0
@@ -72,12 +73,12 @@ const handleInput = (e) => {
     <div class="mb-30px">
       <img class="w-126px h-126px" src="@/static/images/dddf34@2x.png" alt="">
     </div>
-    <div class="text-#1A1A1A text-16px mb-25px font-bold">{{payStatus===0 ? t('payment.payAll') : t('payment.payPartial')}}</div>
+    <div class="text-#1A1A1A text-16px mb-25px font-bold">{{payStatus===0 ? t('payment.fullPayment') : t('payment.partialPayment')}}</div>
     <div class="text-#999999 text-16px mb-24px font-bold" v-if="payStatus===0">{{payment.leftCurrency}} {{payment?.leftPrice}}</div>
     <div class="mb-12px" v-else>
-      <input v-model="amount" class="w-272px h-48px bg-#F3F3F3 px-11px text-16px" type="text" :placeholder="`最多${payment.leftCurrency}${payment?.leftPrice}`"     @input="handleInput">
+      <input v-model="amount" class="w-272px h-48px bg-#F3F3F3 px-11px text-16px" type="text" :placeholder="`${t('payment.placeholder.amount')}${payment.leftCurrency}${payment?.leftPrice}`"     @input="handleInput">
     </div>
-    <div class="text-#2B53AC text-14px" @click="changePayStatus">{{payStatus===1 ? t('payment.payAll') : t('payment.payPartial')}}</div>
+    <div class="text-#2B53AC text-14px" @click="changePayStatus">{{payStatus===1 ? t('payment.fullPayment') : t('payment.partialPayment')}}</div>
     <div class="w-full mt-auto mb-40px">
       <van-button type="primary" block @click="confirmPay">
         {{ t('payment.confirm') }}

i18n/locales/zh-CN.json

@@ -258,7 +258,7 @@
       "systemError": "系统错误，请稍后重试"
     },
     "placeholder": {
-      "amount": "最多{currency}{price}"
+      "amount": "最多"
     },
     "amount": "支付金额"
   },
@@ -411,7 +411,7 @@
       "fullPayment": "支付全部",
       "partialPayment": "支付部分",
       "confirmPayment": "确认支付",
-      "maxAmount": "最多{currency}{price}",
+      "text1": "最多",
       "enterAmount": "请输入金额",
       "exceedTotal": "不得高于全部金额"
     },