project init

components/common/version.js

@@ -0,0 +1,37 @@
+let systemInfo;
+function getSystemInfo() {
+    if (systemInfo == null) {
+        systemInfo = wx.getSystemInfoSync();
+    }
+    return systemInfo;
+}
+function compareVersion(v1, v2) {
+    v1 = v1.split('.');
+    v2 = v2.split('.');
+    const len = Math.max(v1.length, v2.length);
+    while (v1.length < len) {
+        v1.push('0');
+    }
+    while (v2.length < len) {
+        v2.push('0');
+    }
+    for (let i = 0; i < len; i++) {
+        const num1 = parseInt(v1[i]);
+        const num2 = parseInt(v2[i]);
+        if (num1 > num2) {
+            return 1;
+        }
+        else if (num1 < num2) {
+            return -1;
+        }
+    }
+    return 0;
+}
+function judgeByVersion(version) {
+    const currentSDKVersion = getSystemInfo().SDKVersion;
+    return compareVersion(currentSDKVersion, version) >= 0;
+}
+export function canIUseFormFieldButton() {
+    const version = '2.10.3';
+    return judgeByVersion(version);
+}