[Fix] object is NSNull.

3 years ago · 3cb2c6d514
parent 90be2f74ac
commit 3cb2c6d514
1 changed files with 6 additions and 0 deletions
--- a/ios/Classes/JsonUtil.swift
+++ b/ios/Classes/JsonUtil.swift
@ -3,9 +3,15 @@ import Foundation
 public class JsonUtil {
    
    public static func toString(object: AnyObject?)->String {
+        
+        if object is NSNull {
+            return ""
+        }
+        
        if object == nil {
            return ""
        }
+        
        if object is String{
            let s = object as! String
            let b = s.replacingOccurrences(of: "\"", with: "\\\"")