spidermonkey的使用及代码(SpiderMonkey1.7)[通俗易懂]

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Jetbrains全系列IDE稳定放心使用

参见https://blog.csdn.net/kaitiren/article/details/21961235
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_User_Guide
https://blog.csdn.net/jnstone3/article/details/3953203?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task

http://ftp.mozilla.org/pub/mozilla.org/js/js-1.60.tar.gz

其中，dll. lib使用如下的资源：https://download.csdn.net/download/chenshuanj/2876998?ops_request_misc=&request_id=&biz_id=&utm_source=distribute.pc_search_result.none-task

https://download.csdn.net/download/ecaifu800/6042077?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522158452433919726869064130%2522%252C%2522scm%2522%253A%252220140713.130062587..%2522%257D&request_id=158452433919726869064130&biz_id=1&utm_source=distribute.pc_search_result.none-task
下面是代码的整理：

使用示例1：

Customer.h：

#ifndef _Customer_H
#define _Customer_H

#include <iostream>
class Customer
{
public:
	Customer() {}
	Customer(std::string name, int age);
	int GetAge();
	void SetAge(int newAge);
	std::string GetName();
	void SetName(std::string newName);
private:
	int m_age;
	std::string m_name;
};
#endif

Customer.cpp：

#include "Customer.h"

Customer::Customer(std::string name, int age) 
{ 
	m_name = name; 
	m_age = age; 
}

int Customer::GetAge() 
{ 
	return m_age;
}

void Customer::SetAge(int newAge) 
{ 
	m_age = newAge; 
}

std::string Customer::GetName() 
{ 
	return m_name;
}

void Customer::SetName(std::string newName)
{ 
	m_name = newName;
}

JSCustomer.h：

#pragma once

#ifndef _JSCustomer_H
#define _JSCustomer_H

#include <stdio.h>
#include <tchar.h>
#include <iostream>

#define XP_WIN
#include "jsapi.h"
#include "Customer.h"

class JSCustomer
{
public:
	/*** Constructor*/
	JSCustomer()
		: m_pCustomer(NULL) {}
	/*** Destructor*/
	virtual ~JSCustomer()
	{
		delete m_pCustomer;
		m_pCustomer = NULL;
	}
	/*** JSGetProperty - Callback for retrieving properties*/
	static JSBool JSGetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
	/*** JSSetProperty - Callback for setting properties*/
	static JSBool JSSetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
	/*** JSConstructor - Callback for when a wxCustomer object is created*/
	static JSBool JSConstructor(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
	/*** JSDestructor - Callback for when a wxCustomer object is destroyed*/
	static void JSDestructor(JSContext *cx, JSObject *obj);
	/*** JSInit - Create a prototype for wxCustomer*/
	static JSObject* JSInit(JSContext *cx, JSObject *obj, JSObject *proto=NULL);
	static JSBool computeReduction(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
	static JSClass Customer_class;
	void setCustomer(Customer *customer) { m_pCustomer = customer; }
	Customer* getCustomer() { return m_pCustomer; }
private:
	Customer *m_pCustomer;
	static JSPropertySpec Customer_properties[];
	static JSFunctionSpec Customer_methods[];
	enum { name_prop, age_prop };
};
#endif //_JSCustomer_H

JSCustomer.cpp：

#include "JSCustomer.h"

#include <string>
#define XP_WIN
#include "jsapi.h"
//#include "Customer.h"
#include "JSCustomer.h"


JSPropertySpec JSCustomer::Customer_properties[] = {
	{ "name", name_prop, JSPROP_ENUMERATE },
	{ "age", age_prop, JSPROP_ENUMERATE },
	{ 0 }
};
JSFunctionSpec JSCustomer::Customer_methods[] = {
	{ "computeReduction", computeReduction, 1, 0, 0 },
	{ 0, 0, 0, 0, 0 }
};
JSClass JSCustomer::Customer_class = {
	"Customer",
	JSCLASS_HAS_PRIVATE,
	JS_PropertyStub,
	JS_PropertyStub,
	JSCustomer::JSGetProperty,
	JSCustomer::JSSetProperty,
	JS_EnumerateStub,
	JS_ResolveStub,
	JS_ConvertStub,
	JSCustomer::JSDestructor
};
JSBool JSCustomer::JSGetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	if (JSVAL_IS_INT(id))
	{
		JSCustomer *p = (JSCustomer *)JS_GetPrivate(cx, obj);
		Customer *customer = p->getCustomer();
		switch (JSVAL_TO_INT(id))
		{
		case name_prop:
		{
			std::string name = customer->GetName();
			JSString *str = JS_NewStringCopyN(cx, name.c_str(), name.length());
			*vp = STRING_TO_JSVAL(str);
			break;
		}
		case age_prop:
			*vp = INT_TO_JSVAL(customer->GetAge());
			break;
		}
	}
	return JS_TRUE;
}
JSBool JSCustomer::JSSetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	if (JSVAL_IS_INT(id))
	{
		JSCustomer *p = (JSCustomer *)JS_GetPrivate(cx, obj);
		Customer *customer = p->getCustomer();
		switch (JSVAL_TO_INT(id))
		{
		case name_prop:
		{
			JSString *str = JS_ValueToString(cx, *vp);
			std::string name = JS_GetStringBytes(str);//为js中的内容 wuyifan
			customer->SetName(name);
			break;
		}
		case age_prop:
			customer->SetAge(JSVAL_TO_INT(*vp));
			break;
		}
	}
	return JS_TRUE;
}


JSBool JSCustomer::JSConstructor(JSContext *cx, JSObject *obj, uintN argc,
	jsval *argv, jsval *rval)
{
	JSCustomer *priv = new JSCustomer();
	priv->setCustomer(new Customer());
	JS_SetPrivate(cx, obj, (void *)priv);
	return JS_TRUE;
}
void JSCustomer::JSDestructor(JSContext *cx, JSObject *obj)
{
	JSCustomer *priv = (JSCustomer*)JS_GetPrivate(cx, obj);
	delete priv;
	priv = NULL;
}
JSObject *JSCustomer::JSInit(JSContext *cx, JSObject *obj, JSObject *proto)
{
	JSObject *newProtoObj = JS_InitClass(cx, obj, proto,
		&Customer_class, JSCustomer::JSConstructor,
		0, NULL, JSCustomer::Customer_methods, NULL, NULL);
	JS_DefineProperties(cx, newProtoObj, JSCustomer::Customer_properties);
	return newProtoObj;
}
//这个是对内容进行处理
JSBool JSCustomer::computeReduction(JSContext *cx, JSObject *obj, uintN argc,
	jsval *argv, jsval *rval)
{
	JSCustomer *p = (JSCustomer*)JS_GetPrivate(cx, obj);
	int gage = p->getCustomer()->GetAge();
	if (gage < 25)
		*rval = INT_TO_JSVAL(10);
	else
		*rval = INT_TO_JSVAL(5);
	return JS_TRUE;
}

调用代码main.cpp:

// masterTest.cpp : 定义控制台应用程序的入口点。
//

#include <string.h> //for strlen
#include <stdio.h>
#include "stdlib.h"
#include "string.h"
#define XP_WIN
#include "jsapi.h"//参见 https://blog.csdn.net/rjs123/article/details/8995344 
#include <string>
#include <iostream>
#include <fstream>
#include "jsapi.h"
#include "JSCustomer.h"

JSClass globalClass = {
	"Global",
	0,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_EnumerateStub,
	JS_ResolveStub,
	JS_ConvertStub,
	JS_FinalizeStub
};


void main(int argc, char *argv[])
{
	int a = 9;
	/*if (argc < 2)
	{
		std::cout << "JSExec usage" << std::endl
			<< "------------" << std::endl
			<< "JSExec <fileName>" << std::endl;
	}*/
	std::string script;
	std::string buffer;
	std::ifstream istr("E:/NLP/dicGenerator/masterTest/example.js");
	if (istr.is_open())
	{
		do {
			std::getline(istr, buffer);
			script += buffer;
		} while (!istr.fail());
	}
	else
	{
		std::cout << "JSExec error" << std::endl
			<< "------------" << std::endl
			<< "Can't open scriptfile " << argv[1] << std::endl;
		exit(0);
	}
	JSRuntime *rt = JS_Init(1000000L);
	if (rt)
	{
		JSContext *cx = JS_NewContext(rt, 8192);
		if (cx)
		{
			JSObject *globalObj = JS_NewObject(cx, &globalClass, 0, 0);
			if (globalObj)
			{
				JS_InitStandardClasses(cx, globalObj);
				// Init JSCustomer
				//JSBool ok = JSCustomer::JSConstructor(cx, globalObj, 0, NULL, NULL);

				JSObject *newProtoObj = JSCustomer::JSInit(cx, globalObj);
				// Execute the script
				jsval rval;
				uintN lineno = 0;
				JSString *str;
				JSBool ok = JS_EvaluateScript(cx, globalObj, script.c_str(),
					script.length(), "E:/NLP/dicGenerator/masterTest/example.js"/*argv[1]*/, lineno, &rval);
				if (ok == JS_TRUE)
				{
					str = JS_ValueToString(cx, rval);
					char *s = JS_GetStringBytes(str);
					std::cout << "JSExec result:" << s << std::endl;
				}
				else
				{
					std::cout << "JSExec error" << std::endl;
				}
			}
			else
			{
				std::cout << "Unable to create the global object";
			}
			JS_DestroyContext(cx);
		}
		else
		{
			std::cout << "Unable to create a context";
		}
		JS_Finish(rt);
	}
	else
	{
		std::cout << "Unable to initialize the JavaScript Engine";
	}
}

example.js:

var c = new Customer();
c.name = "wuyifan";
c.age = 32;
var reduction = c.computeReduction();

使用示例2：

test4.cpp：

// masterTest.cpp : 定义控制台应用程序的入口点。
//

#include <string.h> //for strlen
#include <stdio.h>
#include "stdlib.h"
#include "string.h"
#define XP_WIN
#include "jsapi.h"//参见 https://blog.csdn.net/rjs123/article/details/8995344 
#include <string>
#include <iostream>
#include <fstream>

static JSBool PeoplePrint(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
JSBool JsFileExecute(JSContext *ctx, const char *file);
int usage(const char *progname);

typedef struct
{
	char name[16];
	char addr[64];
	char tel[10];
}PeopleInfo;
static PeopleInfo pinfo = { "wuyifang", "beijing", "521521" };

JSClass global_class = {
	"global",
	0,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_EnumerateStub,
	JS_ResolveStub,
	JS_ConvertStub,
	JS_FinalizeStub,
	JSCLASS_NO_OPTIONAL_MEMBERS
};

static JSClass PeopleClass = {
	"people",
	0,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_EnumerateStub,
	JS_ResolveStub,
	JS_ConvertStub,
	JS_FinalizeStub,
	JSCLASS_NO_OPTIONAL_MEMBERS
};

static JSFunctionSpec PeopleMethods[] = {
	{ "print", PeoplePrint, 0, 0, 0 },
	{ NULL }
};
int main(int argc, char **argv)
{
	JSRuntime *rt;
	JSContext *cx;
	JSObject *globalObj, *PeopleObj;
	char *file = NULL;
	/*if (argc < 2)
	{
		usage(argv[0]);
	}
	else
	{
		file = argv[1];
	}*/
	file = "E:/NLP/dicGenerator/masterTest/test4.js";

	rt = JS_NewRuntime(1024L * 1024L);
	if (!rt)return -1;
	cx = JS_NewContext(rt, 8L * 1024L);
	if (!cx)return -1;

	if (!(globalObj = JS_NewObject(cx, &global_class, NULL, NULL)))return -1;
	JS_InitStandardClasses(cx, globalObj);

	PeopleObj = JS_DefineObject(cx, globalObj, "people", &PeopleClass, 0, JSPROP_ENUMERATE);
	JS_DefineFunctions(cx, PeopleObj, PeopleMethods);
	if (JsFileExecute(cx, file))
	{
		//printf("File execute successfully./n");
	}
	else
	{
		printf("File execute failed./n");
	}
	JS_DestroyContext(cx);
	JS_DestroyRuntime(rt);
	return 0;
}

static JSBool PeoplePrint(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	fprintf(stdout, "My Name is %s./nMy Addr is %s./nMy telephone is %s/n", pinfo.name, pinfo.addr, pinfo.tel);
	return JS_TRUE;
}
JSBool JsFileExecute(JSContext *ctx, const char *file)
{
	JSScript *script = NULL;
	JSBool retval;
	jsval ret;
	JSObject *global = JS_GetGlobalObject(ctx);

	script = JS_CompileFile(ctx, global, file);
	if (script == NULL)
	{
		return JS_FALSE;
	}
	retval = JS_ExecuteScript(ctx, global, script, &ret);
	JS_DestroyScript(ctx, script);
	return retval;
}
int usage(const char *progname)
{
	printf("Usage: %s <file>/n", progname);
	exit(-1);
}

test4.js：

people.print();

结果：

My Name is wuyifang./nMy Addr is beijing./nMy telephone is 521521/n

使用示例3：

test5.cpp:


#include <string.h> //for strlen
#include <stdio.h>
#include "stdlib.h"
#include "string.h"
#define XP_WIN
#include "jsapi.h"//参见 https://blog.csdn.net/rjs123/article/details/8995344 
#include <string>
#include <iostream>
#include <fstream>


enum PEOPLE { NAME, ADDRESS, TEL };
static JSBool GetPeopleProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool SetPeopleProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool PeoplePrint(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);


enum UNDER { TYPE, PLACE };
static JSBool GetUnderProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool SetUnderProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool UnderPrint(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);


static void JsErrorHandler(JSContext *ctx, const char *msg, JSErrorReport *er);
int usage(const char *progname);
JSBool JsFileExecute(JSContext *ctx, const char *file);

typedef struct
{
	char name[16];
	char addr[64];
	char tel[10];
}PeopleInfo;
static PeopleInfo pinfo = { "xufeng", "Chongqing", "123456" };

typedef struct
{
	char type[16];
	char place[64];
}under_struct;
static under_struct under_1 = { "navigate", "Chongqing"};


JSClass global_class = {
	"global",
	0,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_PropertyStub,
	JS_EnumerateStub,
	JS_ResolveStub,
	JS_ConvertStub,
	JS_FinalizeStub,
	JSCLASS_NO_OPTIONAL_MEMBERS
};

static JSClass PeopleClass = {
	"people",
	0,
	JS_PropertyStub,
	JS_PropertyStub,
	GetPeopleProperty,
	SetPeopleProperty,
	JS_EnumerateStub,
	JS_ResolveStub,
	JS_ConvertStub,
	JS_FinalizeStub,
	JSCLASS_NO_OPTIONAL_MEMBERS
};

static JSClass UnderClass = {
	"under",
	0,
	JS_PropertyStub,
	JS_PropertyStub,
	GetPeopleProperty,
	SetPeopleProperty,
	JS_EnumerateStub,
	JS_ResolveStub,
	JS_ConvertStub,
	JS_FinalizeStub,
	JSCLASS_NO_OPTIONAL_MEMBERS
};

static JSPropertySpec PeopleProperties[] = {
	{ "name", NAME, JSPROP_ENUMERATE },
	{ "address", ADDRESS, JSPROP_ENUMERATE },
	{ "tel", TEL, JSPROP_ENUMERATE },
	{ NULL }
};
static JSPropertySpec UnderProperties[] = {
	{ "type", NAME, JSPROP_ENUMERATE },
	{ "place", ADDRESS, JSPROP_ENUMERATE },
	{ NULL }
};

static JSFunctionSpec PeopleMethods[] = {
	{ "print", PeoplePrint, 0, 0, 0 },
	{ NULL }
};
static JSFunctionSpec UnderMethods[] = {
	{ "Undeprint", UnderPrint, 0, 0, 0 },
	{ NULL }
};

int main(int argc, char **argv)
{
	JSRuntime *rt;
	JSContext *cx;
	JSObject *globalObj, *PeopleObj,*UnderObj;
	char *file = NULL;
	/*if (argc < 2)
	{
		usage(argv[0]);
	}
	else
	{
		file = argv[1];
	}*/
	file = "E:/NLP/dicGenerator/masterTest/test5.js";
	rt = JS_NewRuntime(1024L * 1024L);
	if (!rt)return -1;
	cx = JS_NewContext(rt, 8L * 1024L);
	if (!cx)return -1;
	JS_SetErrorReporter(cx, JsErrorHandler);

	if (!(globalObj = JS_NewObject(cx, &global_class, NULL, NULL)))return -1;
	JS_InitStandardClasses(cx, globalObj);

	/*PeopleObj = JS_DefineObject(cx, globalObj, "people", &PeopleClass, 0, JSPROP_ENUMERATE);
	JS_DefineProperties(cx, PeopleObj, PeopleProperties);
	JS_DefineFunctions(cx, PeopleObj, PeopleMethods);*/
	UnderObj = JS_DefineObject(cx, globalObj, "under", &UnderClass, 0, JSPROP_ENUMERATE);
	JS_DefineProperties(cx, UnderObj, UnderProperties);
	JS_DefineFunctions(cx, UnderObj, UnderMethods);

	if (JsFileExecute(cx, file))
	{
		printf("File execute successfully./n");
	}
	else
	{
		printf("File execute failed./n");
	}
	JS_DestroyContext(cx);
	JS_DestroyRuntime(rt);
	return 0;
}

static void JsErrorHandler(JSContext *ctx, const char *msg, JSErrorReport *er)
{
	printf("JS Error: %s/nFile: %s:%u/n", msg, er->filename, er->lineno);
}

static JSBool GetPeopleProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
		case NAME:
			*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, pinfo.name));//xufeng的内容
			break;
		case ADDRESS:
			*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, pinfo.addr));//Chongqing的内容
			break;
		case TEL:
			*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, pinfo.tel));//123456的内容
			break;
		}
	}
	return JS_TRUE;
}

static JSBool GetUnderProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
		case TYPE:
			*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, under_1.type));//xufeng的内容
			break;
		case PLACE:
			*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, under_1.place));//Chongqing的内容
			break;
		}
	}
	return JS_TRUE;
}

static JSBool SetPeopleProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
		case NAME:
			strncpy(pinfo.name, JS_GetStringBytes(JS_ValueToString(cx, *vp)), 15);//从js中取值
			break;
		case ADDRESS:
			strncpy(pinfo.addr, JS_GetStringBytes(JS_ValueToString(cx, *vp)), 63);
			break;
		case TEL:
			strncpy(pinfo.tel, JS_GetStringBytes(JS_ValueToString(cx, *vp)), 9);
			break;
		}
	}
	return JS_TRUE;
}

static JSBool SetUnderProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
		case TYPE:
			strncpy(under_1.type, JS_GetStringBytes(JS_ValueToString(cx, *vp)), 100);//从js中取值
			break;
		case PLACE:
			strncpy(under_1.place, JS_GetStringBytes(JS_ValueToString(cx, *vp)), 100);
			break;
		}
	}
	return JS_TRUE;
}

static JSBool PeoplePrint(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	fprintf(stdout, "[PeoplePrint] My Name is %s./nMy Addr is %s./nMy telephone is %s/n", pinfo.name, pinfo.addr, pinfo.tel);
	return JS_TRUE;
}

static JSBool UnderPrint(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	fprintf(stdout, "[UndePrint]  My Name is %s./nMy Addr is %s./n", under_1.type, under_1.place);
	return JS_TRUE;
}

int usage(const char *progname)
{
	printf("Usage: %s <file>/n", progname);
	exit(-1);
}
JSBool JsFileExecute(JSContext *ctx, const char *file)
{
	JSScript *script = NULL;
	JSBool retval;
	jsval ret;
	JSObject *global = JS_GetGlobalObject(ctx);

    //test begin 换一种方法，直接读取JS文件后放入内存buf中进行分析，得到的结果是一样的，这样的话，可以动态添加js文件的内容
	FILE* fp;
	char buf[102400 * 5];
	JSString* jss;
	if (!(fp = fopen("E:/NLP/dicGenerator/masterTest/test5.js", "r"))) return 0;
	int len = fread(buf, 1, 102400 * 5, fp);
	fclose(fp);
	if (len <= 0)return 0;

	jsval rval;
	JS_EvaluateScript(ctx, global, buf, len, "script", 1, &rval);
	jss = JS_ValueToString(ctx, rval);
	printf("The result is: %s\n", JS_GetStringBytes(jss));
	//test end 换一种方法，直接读取JS文件后放入内存buf中进行分析，得到的结果是一样的，这样的话，可以动态添加js文件的内容

	script = JS_CompileFile(ctx, global, file);
	if (script == NULL)
	{
		return JS_FALSE;
	}
	retval = JS_ExecuteScript(ctx, global, script, &ret);
	JSString *str = JS_ValueToString(ctx, ret);
	char * poutStr = JS_GetStringBytes(str);

	JS_DestroyScript(ctx, script);
	return retval;
}

test5.js:

//people.print();//调用的是c++中函数：people.print();输出是xufeng的信息
//people.name = "wuyifan-js";//调用的是c++中函数：SetPeopleProperty
//people.address = "Beijing-js";//调用的是c++中函数：SetPeopleProperty
//people.tel = "521521";//调用的是c++中函数：SetPeopleProperty
//people.print();//输出wuyifan-js的信息

function InitParam(a, b)
{
	return a+b;
}

function GetEntryForm(under)
{
	//return "abcdefg"
	//consolelog(under.type);
	var result = under;
	switch(under.type)
	{
		case 'test':	//导航
			var stype = result.type ;
			var splace = result.place ;
			var addab = InitParam(stype, splace)
			rts = '[Return]:{"ziduanyi":"neirongyi","again":0,"result":{"data":{"content":"' + stype + '","Con_name":"' + splace + addab+'"},"status":"success","operationType":"nihao"}}';
			return rts;
			break;
		default:break;
	}
}

under.Undeprint();
under.type = "test";
under.place = "shanghai";
var retVl = GetEntryForm(under);
GetEntryForm(under);

结果： spidermonkey的使用及代码(SpiderMonkey1.7)[通俗易懂]