GitHub 地址：KJJsonToModelDemo
前言
当我们在创建数据Model时候，如网络请求数据过于复杂这时候就需要花费大量时间来创建数据模型，为了方便快捷，于是就引入了如下工具来将Json转换成Model文件。
我也已经将此项目打包生成Dmg文件放在Res文件夹当中，如需要下载安装即可
Dmg文件
可视化界面操作
WX20191012-114934@2x.png
将需要转换的json字符串放在坐标框内，转换即可
实现代码
//
// ViewController.m
// KJJsonToModelDemo
//
// Created by 杨科军 on 2019/10/12.
// Copyright © 2019 杨科军. All rights reserved.
//
#import "ViewController.h"
@interface ViewController ()
@property (nonatomic,strong) NSMutableArray *temps;
@property (weak) IBOutlet NSButton *annotationButton;
@property (weak) IBOutlet NSTextField *jsonTextField;
@property (weak) IBOutlet NSTextField *annotationTextField;
@property (weak) IBOutlet NSTextField *githubLabel;
@property (unsafe_unretained) IBOutlet NSTextView *modelTextView;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.temps = [NSMutableArray array];
// Do any additional setup after loading the view.
}
- (void)setRepresentedObject:(id)representedObject {
[super setRepresentedObject:representedObject];
// Update the view, if already loaded.
}
#pragma mark - json转字典
- (NSDictionary *)getDictWithJsonString:(NSString *)jsonString{
jsonString = [[[[jsonString stringByReplacingOccurrencesOfString:@"\n" withString:@""]stringByReplacingOccurrencesOfString:@"\t" withString:@""]stringByReplacingOccurrencesOfString:@" " withString:@""]stringByReplacingOccurrencesOfString:@"\\" withString:@""];
/// 解析字典
jsonString = [jsonString stringByReplacingOccurrencesOfString:@";};" withString:@"};"];
jsonString = [jsonString stringByReplacingOccurrencesOfString:@";}" withString:@"}"];
jsonString = [jsonString stringByReplacingOccurrencesOfString:@";" withString:@","];
jsonString = [jsonString stringByReplacingOccurrencesOfString:@"=" withString:@":"];
jsonString = [jsonString stringByReplacingOccurrencesOfString:@"(" withString:@"["];
jsonString = [jsonString stringByReplacingOccurrencesOfString:@")" withString:@"]"];
NSString *regex = @"[,{].*?:";
NSError *error;
NSRegularExpression *regular = [NSRegularExpression regularExpressionWithPattern:regex options:NSRegularExpressionCaseInsensitive error:&error];
NSArray *matches = [regular matchesInString:jsonString options:0 range:NSMakeRange(0, jsonString.length)];
NSMutableString* jsonMuStr = [[NSMutableString alloc]initWithString:jsonString];
int i = 1;
for (NSTextCheckingResult *match in matches) {
NSRange range = [match range];
NSString *mStr = [jsonString substringWithRange:range];
if(![mStr containsString:@"\""]){
[jsonMuStr insertString:@"\"" atIndex:range.location + i];
i += 2;
[jsonMuStr insertString:@"\"" atIndex:range.location + i + range.length - 3];
}
}
///
jsonString = [self correctErrValueWithJsonString:jsonMuStr];
NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
NSError *err;
NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableContainers error:&err];
if(err) {
[self errorHint];
return nil;
}
return dic;
}
- (NSString *)correctErrValueWithJsonString:(NSString *)jsonStr{
NSString *regex = @":.*?,";
NSError *error;
NSRegularExpression *regular = [NSRegularExpression regularExpressionWithPattern:regex options:NSRegularExpressionCaseInsensitive error:&error];
NSArray *matches = [regular matchesInString:jsonStr options:0 range:NSMakeRange(0, jsonStr.length)];
NSMutableString* jsonMuStr = [[NSMutableString alloc]initWithString:jsonStr];
int i = 1;
for (NSTextCheckingResult *match in matches) {
NSRange range = [match range];
NSString *mStr = [jsonStr substringWithRange:range];
if(mStr.length > 2)
mStr = [mStr substringWithRange:NSMakeRange(1, mStr.length - 2)];
if(![mStr containsString:@"\""] && ![self isPureNumber:mStr] && ![mStr containsString:@"}"] && ![mStr containsString:@"["] && ![mStr containsString:@"true"] && ![mStr containsString:@"false"]){
[jsonMuStr insertString:@"\"" atIndex:range.location + i];
i += 2;
[jsonMuStr insertString:@"\"" atIndex:range.location + i + range.length - 3];
}
}
return jsonMuStr;
}
- (BOOL)isPureNumber:(NSString*)string{
return [self isPureInt:string] || [self isPureFloat:string];
}
- (BOOL)isPureInt:(NSString*)string{
NSScanner* scan = [NSScanner scannerWithString:string];
int val;
return[scan scanInt:&val] && [scan isAtEnd];
}
- (BOOL)isPureFloat:(NSString*)string{
NSScanner* scan = [NSScanner scannerWithString:string];
float val;
return[scan scanFloat:&val] && [scan isAtEnd];
}
/// 错误提示
- (void)errorHint{
NSAlert *alert = [[NSAlert alloc]init];
[alert addButtonWithTitle:@"确定"];
alert.messageText = @"错误";
alert.informativeText = @"json字符串不合法";
[alert setAlertStyle:NSAlertStyleWarning];
[alert beginSheetModalForWindow:[self.view window] completionHandler:^(NSModalResponse returnCode) {
}];
}
/// 开始转换
- (IBAction)thouchTransformButtonAction:(NSButton *)sender {
[self.temps removeAllObjects];
NSString *jsonStr = self.jsonTextField.stringValue;
if(!jsonStr.length){
[self errorHint];
return;
}
NSDictionary *resultDic = [self getDictWithJsonString:jsonStr];
[self recursionForResultWithObj:resultDic];
NSMutableArray *finalResultArr = [NSMutableArray array];
for (NSArray *subArr in self.temps) {
if(![finalResultArr containsObject:subArr]){
[finalResultArr addObject:subArr];
}
}
finalResultArr = (NSMutableArray *)[[finalResultArr reverseObjectEnumerator] allObjects];
NSString *outputString = @"";
/// 分割注释
NSArray *annArr = [self.annotationTextField.stringValue componentsSeparatedByString:@"\n"];
NSInteger count = annArr.count;
for (NSArray *subArr in finalResultArr) {
outputString = [outputString stringByAppendingString:@"************分割线************\n"];
for (NSInteger i=0; i<subArr.count; i++) {
NSString *tempString;
NSString *string = subArr[i];
if(self.annotationButton.state == NSControlStateValueOn){
NSString *annStr = @"";
if (i<count) {
annStr = annArr[i];
}
tempString = [NSString stringWithFormat:@"/// %@\n%@",annStr,string];
}else{
tempString = string;
}
outputString = [outputString stringByAppendingString:tempString];
}
}
self.modelTextView.string = outputString;
}
#pragma mark - 递归解析
- (void)recursionForResultWithObj:(id)obj{
if([obj isKindOfClass:[NSArray class]]){
for (id subObj in obj) {
[self recursionForResultWithObj:subObj];
}
}else if([obj isKindOfClass:[NSDictionary class]]){
NSMutableArray *temp = [NSMutableArray array];
for (NSString *key in ((NSDictionary*)obj).allKeys){
id value = [obj objectForKey:key];
if([value isKindOfClass:[NSArray class]] || [value isKindOfClass:[NSDictionary class]]){
[temp addObject:[NSString stringWithFormat:@"@property (nonatomic,strong) %@ *%@;//\n",[[value superclass] class],key]];
[self recursionForResultWithObj:value];
}else{
if([value isKindOfClass:[NSString class]]){
[temp addObject:[NSString stringWithFormat:@"@property (nonatomic,copy) %@ *%@;//\n",[NSString class],key]];
}else if([value isKindOfClass:[NSNumber class]]){
[temp addObject:[NSString stringWithFormat:@"@property (nonatomic,strong) %@ *%@;//\n",[NSNumber class],key]];
}else{
[temp addObject:[NSString stringWithFormat:@"@property (nonatomic,strong) %@ *%@;//\n",@"id",key]];
}
}
[self.temps addObject:temp];
}
}
}
@end
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