Json生成Lua Table工具

最近参与一个Unity手游项目的前端程序开发，主要使用lua语言，项目之前有了成型的服务器，包括策划配置好的数据，虽然策划配置数据使用的是Excel表格，但一开始没按照可Excel直接生成Lua表的格式去配，所以Excel表直接生成Lua代码的路是走难走得通了，但Excel却可以生成Json格式文件，那么我依然可以使用Json来生成Lua代码。

所以用Python写了一个Json生成Lua代码工具：

Python代码工具下载地址： http://download.csdn.net/detail/u012740992/9752228

注意：需安装Python27环境来运行工具：



使用效果：



生成的文件：



生成的内容：



贴代码：

import json
import types
import os,sys
import sys

from Tkinter import *
import datetime
import time
import Tkinter, Tkconstants, tkFileDialog
import tkMessageBox

reload(sys)
sys.setdefaultencoding('utf-8')

def isJsonStr(newstr):
try:
json.loads(newstr)
except Exception as e:
#except ValueError:
return False
else:
return True

def addSpace(layer):
luaStr = ""
for i in range(0,layer):
luaStr += '\t'
return luaStr

def parsJsonObj(jsonObj,layer=0):

jsonObjType = type(jsonObj)
#字符串类型
if  jsonObjType is types.StringTypes or jsonObjType is str or jsonObjType is types.UnicodeType:

#支持在json中再遇到json字符串时，继续解析json字符串
if isJsonStr(jsonObj):
luaStr = ''
luaStr += parsJsonObj(json.loads(jsonObj),layer+1)
return luaStr
else:
newstr = jsonObj.replace('\n', '\\n').replace('\t', '\\t').replace('"', '\\"').replace("'", "\\'")
return "'" + newstr + "'"

#数组类型
elif jsonObjType is types.ListType:
luaStr = "{\n"
luaStr += addSpace(layer+1)
for i in range(0,len(jsonObj)):
luaStr += parsJsonObj(jsonObj[i],layer+1)
if i < len(jsonObj)-1:
luaStr += ','
luaStr += '\n'
luaStr += addSpace(layer)
luaStr +=  '}'
return luaStr
elif jsonObjType is types.BooleanType:
if jsonObj:
return 'true'
else:
return 'false'
#数字类型
elif jsonObjType is types.IntType or jsonObjType is types.LongType or jsonObjType is types.FloatType:
jsonObjstr = str(jsonObj)
return str(jsonObj)
#字典类型
elif jsonObjType is types.DictType:
luaStr = ''
luaStr += "\n"
luaStr += addSpace(layer)
luaStr += "{\n"
jsonObjlen = len(jsonObj)
jsonObjcount = 0
for k,v in jsonObj.items():
jsonObjcount += 1
luaStr += addSpace(layer+1)
if type(k) is types.IntType or str.isdigit(str(k)) == True:
luaStr += '[' + k + ']'
else:
#print('is not int type : ' + str(k))
#那些以数字开头，又不是数字的key值非法，当字符串处理，
#比如 0nb、345nb、 34-45
if str.isdigit(str(str(k)[0]))==True:
luaStr += "['"+str(k)+"']"
else:
#普通键值
luaStr += k
luaStr += ' = '
try:
luaStr += parsJsonObj(v,layer +1)
if jsonObjcount < jsonObjlen:
luaStr += ',\n'

except Exception, e:
print 'error in ',k,v
raise
luaStr += '\n'
luaStr += addSpace(layer)
luaStr += '}'
return luaStr
else:
print jsonObjType , 'is error'
return None

def genLuaFile(genfileName,tableName,jsonStr):
try:
newdata = json.loads(jsonStr)
except Exception as e:
#except ValueError:
tkMessageBox.showinfo('提示', '遇到错误的json格式: \n ' + str(e))
return

luatableJson = parsJsonObj(newdata)
luagendir = luadir.get().replace('\\', '/')

if os.path.exists(luagendir) == False:
os.mkdir(luagendir)
newluafile = luagendir +'/'+genfileName
if os.path.exists(newluafile):
os.remove(newluafile)

with open(newluafile, 'a') as f:

f.write('return {\n')
f.write(tableName + " = " + luatableJson)

f.write('\n}')

f.close()

def genMyLua(jsonroot, jsonfile):
genfileName = jsonfile.replace('.json', '.lua')
jsonfilesdir = jsonroot+'/'+jsonfile
text = " "
with open(jsonfilesdir, 'r') as f:
try:
jsontext = f.read().decode('utf-8')
except Exception as e:
tkMessageBox.showinfo('提示', '读取json文件出错：\n '+str(e))
return
finally:

pass
genLuaFile(genfileName, 'data', jsontext)
f.close()

#===================================================================================
def findJsonFilesPath():
pathname=tkFileDialog.askdirectory()
if pathname != '':
pathname = pathname.replace('/','\\')
jsondir.delete(0, len(jsondir.get()))
jsondir.insert(END, pathname)

if pathname != '':
luadir.delete(0, len(luadir.get()))
luadir.insert(END, pathname+'\LuaTable')

def findGenLuaDir():
luapath=tkFileDialog.askdirectory()
if luapath != '':
luadir.delete(0, len(luadir.get()))
luadir.insert(END, luapath.replace('/','\\'))

def genLuaTable():
jsonroot = jsondir.get().replace('\\','/')
if jsonroot == '':
tkMessageBox.showinfo('提示', '你好, %s' % '请输入json文件根路径')
newluadir = luadir.get().replace('\\','/')
if os.path.exists(newluadir) == False:
os.mkdir(newluadir)
if newluadir == '' or os.path.exists(newluadir) == False:
tkMessageBox.showinfo('提示', '你好, %s' % '生成lua路径无效')

progressTips.config(text='正在生成.....')
ls = os.listdir(jsonroot)
jsonfs = []
for l in ls:
if len(l) < 5:
return
if l[-5:] == '.json':

jsonfs.append(l)
pass

for fn in jsonfs:
genMyLua(jsonroot, fn)
print(fn)

luadirls = os.listdir(newluadir)
luafs = []
for f in luadirls:
if f[-4:] =='.lua' and f.find('GameDataList') < 0:
luafs.append(f.replace('.lua', ''))
genLualistFile(newluadir, luafs)

progressTips.config(text='')
tkMessageBox.showinfo('提示', '生成结束')
os.system("explorer.exe %s" % newluadir.replace('/', '\\'))

def genLualistFile(luadir, luafs):
lualistfile = luadir+'/GameDataList.lua'
if os.path.exists(lualistfile):
os.remove(lualistfile)
with open(lualistfile, 'a') as f:
content = 'local function InitGameData(reqdir)'+'\n'
content = content + '\treturn {'
for luaf in luafs:
#name = require dir..'/'..f
content = content + '\n\t\t'
content = content + luaf + ' = require (' + 'reqdir.."/'+luaf+'"),'
pass
#去除最后一个逗号
content = content.rstrip(',')
#生成返回表
#content = content + '\n\n\t'
content = content +'\n\t}'

content = content + '\nend\n'
content = content + 'return InitGameData'
f.write(content)
f.close()

root = Tk()
root.title(unicode('json文件生成lua表工具','utf-8'))
#发送按钮事件

#创建几个frame作为容器
root.geometry('600x500')
frame01  = Frame(width=750, height=470)

#button_sendmsg   = Button(frame01, text=unicode('发送','utf-8'), command=sendmessage)

#使用grid设置各个容器位置

frame01.grid(row=0, column=0, padx=2, pady=5)
frame01.grid_propagate(0)
#button_sendmsg.grid(sticky=E)

jsondirdesc = Label(frame01, width = 20, text = '输入json文件根路径：')
jsondir = Entry(frame01, width = 50)
findButton = Button(frame01, text=' 查找', command=findJsonFilesPath)

genLabel = Label(frame01, text='生成lua路径', width=50)
luadir = Entry(frame01, width = 50)
findgenBtn = Button(frame01, text=' 查找', command=findGenLuaDir)

genBtn = Button(frame01, text='生成Lua表文件', command=genLuaTable)

progressTips = Label(frame01, text='', width=50)

tipLabel = Label(frame01, text='\t注意：\n  \t输入json根路径，仅筛选以"*.json"文件解析，生成同名"*.lua"文件;\n\t生成路径如果存在同名文件将会被覆盖，请备份;\n\t同时会生成GameDataList.lua文件，里面记录所有生成的"*.lua"文件、\n\tGameDataList.lua里面生成的函数可传入lua路径一键require使用。', width=50, height=10)

#helloLabel.pack()
jsondirdesc.grid(row=0, column=0)
jsondir.grid(row=1, column=0)
findButton.grid(row=1, column=1)

genLabel.grid(row=2, column=0)
luadir.grid(row=3, column=0)
findgenBtn.grid(row=3, column=1)
genBtn.grid(row=4, column=0)

progressTips.grid(row=5, column=0)

tipLabel.grid(row=8, column=0)

#主事件循环
root.mainloop()