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); }