v-input-limit加3

src/main.js

@@ -230,6 +230,34 @@ Vue.directive("input-limit", {
               e.target.dispatchEvent(new Event("input"))
             }
           }
+          if (binding.value == 3) {
+            if (wins_0.test(e.target.value.toString().replace(/\d+\.(\d*)/, '$1'))) {
+              remainder = true
+            }
+            if ((e.target.value.split('.')).length - 1 > 1) {
+              points = true
+            }
+            if (e.target.value.toString().split(".")[1] != undefined) {
+              if (e.target.value.toString().split(".")[1].length > 3) {
+                lengths = true
+              }
+            }
+            if (e.target.value.toString().indexOf(".") != -1) {
+              no_int = false
+            } else {
+              no_int = true
+            }
+            if (wins_1.test(e.target.value) || lengths || points || remainder) {
+              if (!no_int) {
+                e.target.value = e.target.value.replace(wins_1, "").replace('.', '$#$').replace(/\./g, '').replace(
+                  '$#$', '.').replace(/^(\-)*(\d+)\.(\d\d\d).*$/, '$1$2.$3').substring(0, e.target.value.indexOf(
+                  ".") + 4)
+              } else {
+                e.target.value = e.target.value.replace(wins_0, "")
+              }
+              e.target.dispatchEvent(new Event("input"))
+            }
+          }
           if (binding.value == 4) {
             if (wins_0.test(e.target.value.toString().replace(/\d+\.(\d*)/, '$1'))) {
               remainder = true