使用LoadRunner进行压力测试之Post请求
作者:beiank 发布时间:[ 2016/11/1 15:51:04 ] 推荐标签:Loadrunner 性能测试工具
1. 发送post请求时使用web_submit_data
如:
1 web_submit_data("create",//事务名
2 "Action=http://bizhi.sogou.com/diy/", //请求域名
3 "Method=POST", //请求类型为post
4 "RecContentType=application/json", //返回格式为json
5 "Referer=http://bizhi.sogou.com/diy?wp_id=8743",
6 "Snapshot=t4.inf",
7 "Mode=HTML",
8 ITEMDATA, //下面编辑post请求的数据
9 "Name=img", "Value=http://dl.bizhi.sogou.com/images/2012/05/3/8743.jpg", ENDITEM, //数据的name、value及结束符
10 "Name=left", "Value=60", ENDITEM, //第二条数据的name、value及结束符
11 "Name=top", "Value=30", ENDITEM,
12 "Name=width", "Value=720", ENDITEM,
13 "Name=height", "Value=450", ENDITEM,
14 "Name=model", "Value=5/5s", ENDITEM,
15 "Name=x", "Value=1", ENDITEM,
16 "Name=y", "Value=1", ENDITEM,
17 "Name=ofc", "Value=1", ENDITEM,
18 "Name=wp_id", "Value=8743", ENDITEM,
19 "Name=mat", "Value=ms", ENDITEM,
20 "Name=curMode", "Value=normal", ENDITEM,
21 LAST);
2. 如果要发送的请求的数据值需要变化,那么需要将请求中的值参数化,,如果是根据上一条请求的返回值来确定请求中的数据值,那么需要对上一条请求的返回值进行解析
如:
1 web_submit_data("create",
2 "Action=http://bizhi.sogou.com/diy/",
3 "Method=POST",
4 "RecContentType=application/json",
5 "Referer=http://bizhi.sogou.com/diy?wp_id=8743",
6 "Snapshot=t4.inf",
7 "Mode=HTML",
8 ITEMDATA,
9 "Name=img", "Value=http://dl.bizhi.sogou.com/images/2012/05/3/8743.jpg", ENDITEM,
10 "Name=left", "Value=60", ENDITEM,
11 "Name=top", "Value=30", ENDITEM,
12 "Name=width", "Value=720", ENDITEM,
13 "Name=height", "Value=450", ENDITEM,
14 "Name=model", "Value=5/5s", ENDITEM,
15 "Name=x", "Value=1", ENDITEM,
16 "Name=y", "Value=1", ENDITEM,
17 "Name=ofc", "Value=1", ENDITEM,
18 "Name=wp_id", "Value=8743", ENDITEM,
19 "Name=mat", "Value=ms", ENDITEM,
20 "Name=curMode", "Value=normal", ENDITEM,
21 LAST);//请求1
22
23 lr_set_debug_message( 16 | 2,0 );
24 lr_save_string((char*)strtok(lr_eval_string("{Output}"),","),"temp");//获得请求1的返回数据
25 //lr_output_message("bian:%s",lr_eval_string("{temp}"));
26 lr_save_string((char*)strtok(NULL,","),"diyid_temp");//解析返回数据
27 //lr_output_message("bian2:%s",lr_eval_string("{diyid_temp}"));
28 lr_save_string((char*)strtok(lr_eval_string("{diyid_temp}"),":"),"temp");//解析返回数据
29 //lr_output_message("bian:%s",lr_eval_string("{temp}"));
30 lr_save_string((char*)strtok(NULL,":"),"diyid_temp");//解析返回数据
31 //lr_output_message("bian2:%s",lr_eval_string("{diyid_temp}"));
32 diyid_str=(char*)strtok(lr_eval_string("{diyid_temp}"),"}");
33 lr_save_string((char*)strtok(lr_eval_string("{diyid_temp}"),"}"),"diyid");//解析返回数据
34 //lr_output_message("bian:%s",lr_eval_string("{diyid}"));
35
36 strcat(test, diyid_str);
37 //lr_output_message("%s",test);
38 lr_save_string(CMd5(test),"md5");//计算md5
39 //lr_output_message("bianmd5:%s",lr_eval_string("{md5}"));
40
41
42 web_submit_data("postname",
43 "Action=http://bizhi.sogou.com/orderpay/",
44 "Method=POST",
45 "RecContentType=textml",
46 "Mode=HTML",
47 ITEMDATA,
48 "Name=goods_action","Value=goods_detail",ENDITEM,
49 "Name=goods_addr","Value=656",ENDITEM,
50 "Name=md5str","Value={md5}",ENDITEM,//根据参数构造请求
51 "Name=diy_id","Value={diyid}",ENDITEM,//根据参数构造请求
52 "Name=goods_info","Value=448_1",ENDITEM,
53 "Name=from","Value=diy",ENDITEM,
54 "Name=Accept","Value=text/plain",ENDITEM,
55 LAST);
3. 另附,计算md5,需要添加md5的头文件,并别忘了在gloab.h中include md5.h
1 #ifndef MD5_H
2 #define MD5_H
3 #ifdef __alpha
4 typedef unsigned int uint32;
5 #else
6 typedef unsigned long uint32;
7 #endif
8 struct MD5Context {
9 uint32 buf[4];
10 uint32 bits[2];
11 unsigned char in[64];
12 };
13 extern void MD5Init();
14 extern void MD5Update();
15 extern void MD5Final();
16 extern void MD5Transform();
17 typedef struct MD5Context MD5_CTX;
18 #endif
19 #ifdef sgi
20 #define HIGHFIRST
21 #endif
22 #ifdef sun
23 #define HIGHFIRST
24 #endif
25 #ifndef HIGHFIRST
26 #define byteReverse(buf, len) /* Nothing */
27 #else
28 void byteReverse(buf, longs)unsigned char *buf; unsigned longs;
29 {
30 uint32 t;
31 do {
32 t = (uint32) ((unsigned) buf[3] << 8 | buf[2]) << 16 |((unsigned) buf[1] << 8 | buf[0]);
33 *(uint32 *) buf = t;
34 buf += 4;
35 } while (--longs);
36 }
37 #endif
38 void MD5Init(ctx)struct MD5Context *ctx;
39 {
40 ctx->buf[0] = 0x67452301;
41 ctx->buf[1] = 0xefcdab89;
42 ctx->buf[2] = 0x98badcfe;
43 ctx->buf[3] = 0x10325476;
44 ctx->bits[0] = 0;
45 ctx->bits[1] = 0;
46 }
47 void MD5Update(ctx, buf, len) struct MD5Context *ctx; unsigned char *buf; unsigned len;
48 {
49 uint32 t;
50 t = ctx->bits[0];
51 if ((ctx->bits[0] = t + ((uint32) len << 3)) < t)
52 ctx->bits[1]++;
53 ctx->bits[1] += len >> 29;
54 t = (t >> 3) & 0x3f;
55 if (t) {
56 unsigned char *p = (unsigned char *) ctx->in + t;
57 t = 64 - t;
58 if (len < t) {
59 memcpy(p, buf, len);
60 return;
61 }
62 memcpy(p, buf, t);
63 byteReverse(ctx->in, 16);
64 MD5Transform(ctx->buf, (uint32 *) ctx->in);
65 buf += t;
66 len -= t;
67 }
68 while (len >= 64) {
69 memcpy(ctx->in, buf, 64);
70 byteReverse(ctx->in, 16);
71 MD5Transform(ctx->buf, (uint32 *) ctx->in);
72 buf += 64;
73 len -= 64;
74 }
75 memcpy(ctx->in, buf, len);
76 }
77 void MD5Final(digest, ctx)
78 unsigned char digest[16]; struct MD5Context *ctx;
79 {
80 unsigned count;
81 unsigned char *p;
82 count = (ctx->bits[0] >> 3) & 0x3F;
83 p = ctx->in + count;
84 *p++ = 0x80;
85 count = 64 - 1 - count;
86 if (count < 8) {
87 memset(p, 0, count);
88 byteReverse(ctx->in, 16);
89 MD5Transform(ctx->buf, (uint32 *) ctx->in);
90 memset(ctx->in, 0, 56);
91 } else {
92 memset(p, 0, count - 8);
93 }
94 byteReverse(ctx->in, 14);
95 ((uint32 *) ctx->in)[14] = ctx->bits[0];
96 ((uint32 *) ctx->in)[15] = ctx->bits[1];
97 MD5Transform(ctx->buf, (uint32 *) ctx->in);
98 byteReverse((unsigned char *) ctx->buf, 4);
99 memcpy(digest, ctx->buf, 16);
100 memset(ctx, 0, sizeof(ctx));
101 }
102 #define F1(x, y, z) (z ^ (x & (y ^ z)))
103 #define F2(x, y, z) F1(z, x, y)
104 #define F3(x, y, z) (x ^ y ^ z)
105 #define F4(x, y, z) (y ^ (x | ~z))
106 #define MD5STEP(f, w, x, y, z, data, s) ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
107 void MD5Transform(buf, in)
108 uint32 buf[4]; uint32 in[16];
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